Feminist biology is a biological approach that is concerned with the influence of gender values, the elimination of gender bias, and the overall significance of social values in biological research and activities.
Dr. Ruth Bleier of the University of Wisconsin-Madison (who produced the 1984 work Science and Gender: A Critique of Biology and Its Ideas on Women and inspired the university's endowed fellowship for feminist biology) was among those who launched feminist biology. It strives to advance biology by including feminist critique in subjects varying from the mechanics of cell biology and sex selection to the assessment of the meaning of words such as "gender" and "sex".
Generally, the area is vast and refers to the concepts underlying both biology and feminist praxis. These considerations make feminist biology debatable and contradictory to itself, particularly when it comes to biological determinism, in which descriptive sex terms such as male and female are intrinsically confining, or extreme postmodernism, in which the term "feminist" refers to the term "feminist biology."
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which membrane proteins require atp to move ions across the membrane?
The membrane proteins that require ATP to move ions across the membrane are called ATPases or ATP-powered pumps.
These proteins use the energy from ATP hydrolysis to transport ions against their concentration gradient, from an area of low concentration to an area of high concentration.
Examples of ATPases that transport ions include the sodium-potassium pump (Na+/K+-ATPase) that moves sodium ions out of the cell and potassium ions into the cell, and the calcium pump (Ca2+-ATPase) that moves calcium ions from the cytoplasm into the endoplasmic reticulum or the extracellular space.
These pumps play important roles in maintaining the electrochemical gradients across cell membranes, which are essential for many cellular processes, including nerve impulse transmission, muscle contraction, and metabolism.
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why is the pcr assay a more sensitive and specific test than the coliforms culture test?
PCR assay targets specific DNA sequences, while coliform culture test relies on growth-based detection, making PCR more sensitive and specific.
What is PCR assay?PCR (Polymerase Chain Reaction) assay is a laboratory technique that amplifies specific DNA sequences using thermal cycling, allowing for the production of many copies of a target DNA segment. This is achieved by adding specific primers that flank the target sequence and a thermostable DNA polymerase enzyme to a sample containing the target DNA.
The reaction is cycled through three temperatures, allowing for the denaturation, annealing, and extension of the DNA strands, resulting in an exponential amplification of the target sequence that can be detected and analyzed for various applications in research, diagnostics, and forensics.
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In noncyclic photophosphorylation, electrons from _______ replenish chlorophyll molecules that have given up electrons.
a. CO2
b. water
c. NADPH + H+
d. O2 gas
e. None of the above
Water. Electrons are taken out of water and transferred through PSII and PSI to NADPH in a process known as non-cyclic photophosphorylation.
This mechanism generates ATP by requiring light to be absorbed twice, once in each photosystem. Because light energy is used to create ATP from ADP, the process is actually known as photophosphorylation (phosphorylation).
Energy is transferred from pigment to pigment inside photosystem II when light is absorbed by one of the many pigments present there. This process continues until the reaction centre is reached. There, energy is transferred to P680, raising an electron's energy level. The high-energy electron is transferred to an acceptor molecule and exchanged for an electron from water. The oxygen we breathe is released as a result of the splitting of water.
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What are the bones of orbit?
Three bones make up the floor of the orbit: the orbital plate of the zygomatic bone, the maxillary bone, and the palatine bone.
The lesser wing of the sphenoid bone and the orbital plate frontal bone make up the two bones that make up the orbital roof. The lacrimal gland's fossa is located on the orbital roof, beneath the frontal bone's zygomatic process, anteriorly and laterally.
Three bones make up the floor of the orbit: the orbital plate of the zygomatic bone, the maxillary bone, and the palatine bone. The roof of the maxillary sinus is located in this region of the orbit. An anterior canal is entered by an infraorbital groove that runs down the floor before emerging as the infraorbital foramen. This is the part of the maxillary bone that is located below the orbital border. The inferior oblique muscle's insertion point is along the orbital floor. The only extraocular muscle that does not begin at the top of the orbit is this one.
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What do transitional fossils best support?
Transitional fossils provide evidence for evolution and support the idea that species have changed over time, which is present in Option A, as the transitional fossil is the fossil of an organism that displays intermediate characteristics.
What are transitional fossils?These transitional fossils display characteristics that are intermediate between those of their ancestors and those of their descendants and provide insight into how different species evolved and how they are related to one another, they are important because they provide evidence of evolutionary change over time and help fill in gaps in the fossil record.
Hence, transitional fossils provide evidence for evolution and support the idea that species have changed over time, which is present in Option A.
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The question is incomplete, complete question is below
What do transitional fossils best support?
A)provide evidence for evolution
B)doesn't provide evidence for evolution
C) shows natural selection
brain injury, a soldier is now unable to speak. What area of the brain was most likely damaged?
A) Hippocampus B) Broca's area C) Posterior portion of occipital lobe D) Basal nuclel
The area of the brain that was most likely damaged in a soldier who is unable to speak after a brain injury is:
B) Broca's area.
Broca's area, also known as the motor speech area, is a region of the brain in the frontal lobe that is responsible for speech production. Damage to this area can cause Broca's aphasia, a condition characterised by difficulty producing speech, slow and halting speech, and difficulty forming sentences.
In most people, Broca's area is located in the left hemisphere of the brain and is linked to other areas of the brain involved in language processing, such as Wernicke's area, which is responsible for understanding language.
While the other brain regions mentioned (hippocampus, posterior occipital lobe, and basal nuclei) are important for different functions such as memory formation, vision processing, and movement control, they are not directly involved in speech production.
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Fill The Blank! the classification of an organism is important for scientists because _____.
For biologists, with an organism's always have the classification at which the it offers critical details about its evolutionary type of background.
The taxonomy for many organisms have a crucial understanding for all the variety of living things which helps in recognising different types of creatures. The capacity for any individuals for a species is very effectively interbreed which is, to mate and help to give birth to healthy offspring that is the most important or crucial criteria for the given species among the categorization (those that can in turn breed and produce more offspring).
Classes let students learn about a wide range of different plants and animals, as well as their traits and commonalities. The classification of an organism frequently provides information about the other organisms to which it is related as well as its evolutionary history.
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what is inspiratory reserve volume ?
Inspiratory reserve volume is considered as the extra volume of air which inspired with maximal effort after reaching end of inspiration.
Inspiratory reserve volume is the amount of air that can be forcibly gasp after a normal tidal volume. IRV are generally kept in reserve, also used in deep breathing. its value in normal adult is 1900-3300ml. When the extra volume of air is expired by putting the maximum effort beyond the level reached that is at end of expiration.
Also , the expiratory reserve volume (ERV) is also the extra amount of air that is exhaled after using a normal exhalation. It is the extra amount that is easily exhaled beyond normal.
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Procedure: In two to four sentences, explain how you ranked the plants from most desirable to
least desirable. Be sure to cite evidence from the data to support your rankings.
The plants you should rate as most desirable are creeping plants, and the plants you should consider least favorable are plants with large, tuberous roots.
Why are creeping plants the most desirable?Because they support the dunes.Because they prevent dune erosion.Because they allow the dunes to gain volume.As dunes are highly susceptible to erosion, creeping plants are essential to protect them. This is because these plants have massive roots that attach themselves to the dunes, holding their particles and promoting support. Furthermore, by mirroring themselves on the surface of the dune, the undergrowth protects them from the wind and rain.
Your question is incomplete. The complete question is:
"Procedure: In two to four sentences, explain how you ranked the plants from most desirable to least desirable. Be sure to cite evidence from the data to support your rankings.
Objective: protect the dunes."
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the structure found in all cells that acts like a barrier of the cell controlling what enters and leaves the cell
Answer:
It is the cell membrane..........
What is a Golgi apparatus simple definition?
The Golgi apparatus, also called the Golgi complex or Golgi body, is an organelle found in eukaryotic cells that is involved in processing and modifying proteins, lipids, and other macromolecules synthesized in the cell.
The Golgi apparatus consists of a stack of flattened membranous sacs, called cisternae, that are arranged in a series of stacked layers. The cisternae are connected to each other and to other cellular membranes through vesicles and tubules.
The Golgi apparatus receives newly synthesized proteins and lipids from the endoplasmic reticulum (ER) and modifies them by adding or removing carbohydrate groups, phosphates, and other chemical modifications.
The Golgi apparatus is an important organelle for the proper functioning of cells, as it is responsible for the processing and distribution of many important cellular components.
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what is the genotype of the man? what is the genotype of the man? ii i a i i b i i a i a
The genotype of the man is determined by the alleles he inherited from his parents. The genotype of a man is determined by his genetic makeup, which is the combination of alleles inherited from his parents.
If the man is not known to have any genetic conditions, then his genotype would be an expression of the alleles he received from both his mother and father, as well as any mutations that occurred in his individual genetic makeup. For example, if the man inherited an allele for brown eyes from both parents, then his genotype for eye color would be "BB". A person's genotype can be determined by looking at the alleles they possess for a particular gene or trait. This means that he has one dominant and one recessive allele, which would result in a phenotype (observed trait) that is a combination of the two.
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The diaphragm is innervated by the _________ nerve, which allows it to contract.
A. vagus
B. phrenic
C. hypoglossal
D. vestibulocochlear
Together with its anastomosis with the vagus nerve, the phrenic nerve passes through the diaphragm.
The vagus nerve, which passes through it, innervates the crural portion of the diaphragm.The location of the diaphragm is not far from our lungs.In other words, by helping the lungs expand and contract, the diaphragm facilitates breathing.A muscle called the diaphragm helps you breathe in and out (breathe in and out). This little muscle, which resembles a dome, is situated behind your heart and lungs. It is connected to the sternum, a bone in the middle of your chest, as well as your spine, the bottom of your rib cage, and other bones.
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If all planets were the same mass, which would have the lowest gravitational force between itself and the sun? Why?
Neptune is the planet that is closest to the sun, hence if all planets had the same mass, it would have the weakest gravitational pull on the sun.
Explain about the gravitational force?Any two mass-containing objects are attracted to one another by the gravitational force. Because it consistently attempts to pull masses together rather than pushing them apart, the gravitational force is known as attractive. Newton's Universal Law of Gravitation is what it is known as.The force in between two things in the universe is described by the following equation:
F = GMm/ r²
F ∝ 1/r²
When calculating:
G represents the gravitational constant of the cosmos, which is always the same quantity, and F is the force of gravity ln Newtons, N.M is one object's mass in kilograms, and M is the other object's mass in kilograms.r is the separation between the items.It means, the greater the distance between the masses, the smaller will be the gravitational force between them.
Neptune is the planet that is closest to the sun, hence if all planets had the same mass, it would have the weakest gravitational pull on the sun.
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when several epsps arrive at the axon hillock from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential, this is an example of
When several epsps arrive at the axon hillock from different dendritic Locations, depolarizing the postsynaptic cell to threshold for an action Potential, this is an example of temporal summation.
This is a process in which a neuron integrates incoming signals that Arrive at different times from the same presynaptic neuron.
In this case, multiple excitatory postsynaptic potentials (EPSPs) are Generated in response to neurotransmitter release from different endritic Locations, but they arrive at the axon hillock at slightly different times. If the EPSPs are generated quickly enough and are large enough to reach the threshold for action potential firing, then they can combine or Summate at the axon hillock and trigger an action potential.
This process of adding up or integrating the effects of multiple EPSPs over time is called temporal summation.
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As pressure increases in lymphatic capillaries, fluid is allowed to regurgitate back into the tissues. A. True B. False.
The statement that as pressure increases in lymphatic capillaries, fluid is allowed to regurgitate back into the tissues is False.
The correct option is False.
What are the lymphatic capillaries?The lymphatic capillaries are thin-walled vessels that are located throughout the body and are responsible for collecting excess fluid and waste products from the tissues. As the lymphatic capillaries collect fluid, they gradually converge into larger lymphatic vessels, which eventually empty into the bloodstream.
In healthy individuals, the pressure within the lymphatic capillaries is normally lower than the interstitial fluid pressure in the surrounding tissues. This pressure difference allows the lymphatic capillaries to collect excess fluid from the tissues and prevent the buildup of edema or swelling. However, if the pressure within the lymphatic capillaries becomes too high, it can cause the fluid to regurgitate back into the tissues, which can lead to edema.
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When studying with a friend for a test, what key points about osmosis would you make sure you tell them? Check all that apply.a) Osmosis refers to the movement of water along a concentration gradientb) In osmosis, water moves to equalize solute concentrations on either side of the membranec) If osmosis occurs across a membrane, then diffusion is not occurringd) The movement of water across a membrane can affect the turgor pressure of some cells
When studying with a friend for a test, the key points about osmosis would you make sure you tell them include the following
a) Osmosis refers to the movement of water along a concentration gradient
b) In osmosis, water moves to equalize solute concentrations on either side of the membrane
d) The movement of water across a membrane can affect the turgor pressure of some cells.
What is Osmosis?This is the process in which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
In osmosis, water moves to equalize solute concentrations on either side of the membrane hence because it moves long a concentration gradient.
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A collection of stars, dust, and gas bound together by gravity is...
a
Galaxy
b
Solar System
c
Universe
Answer:
A. Galaxy
Explanation:
A galaxy is a giant, spinning object made of gas, dust, and stars held together by gravity. Galaxies come in different shapes and sizes and can contain billions of stars. Most occur in groups that are also held together by gravity.
A forensic scientist detects a high level of carbon dioxide (CO2), the byproduct of a combustion reaction, inside a sealed closet at a crime scene.
C2H2 +5O2 → 3CO2 + 4H2O
How many oxygen atoms are needed to make three molecules of carbon dioxide, as the chemical reaction shows?
When a chemical quickly combines with oxygen, a combustion reaction takes place (O2).
What is Combustion reaction?Charcoal and oxygen are merging in the figure below. Burning is the term used to describe combustion, and fuel is the term used to describe the substance that burns.
A full combustion reaction produces carbon dioxide (CO2) and water vapor as byproducts (H2O).
When a chemical combines with oxygen gas, it produces a combustion reaction that releases energy in the form of heat and light. O2 must be one of the reactants in combustion processes.
Therefore, When a chemical quickly combines with oxygen, a combustion reaction takes place (O2).
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Answer:
Six
Explanation:
2 oxygen atoms are needed to make one molecule of carbon dioxide. Therefore, to make three molecules of carbon dioxide, you would need six oxygen atoms.
What are the symptoms of an enlarged liver?
An enlarged liver, also known as hepatomegaly, can be caused by a variety of conditions such as liver disease, hepatitis, alcohol abuse, or cancer. The symptoms of an enlarged liver can vary depending on the underlying cause, but some common symptoms may include:
Pain or discomfort in the upper right quadrant of the abdomenAbdominal swelling or distensionFatigue or weaknessNausea or vomitingLoss of appetite or weight lossYellowing of the skin and eyes (jaundice)Dark urinePale stoolsItchy skinEnlarged spleenIt's important to note that many people with an enlarged liver may not experience any symptoms, and the condition may be discovered incidentally during a routine physical exam or imaging test. If you experience any of these symptoms or have concerns about your liver health, it's important to speak with your doctor for proper evaluation and diagnosis.
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How many genetically distinct "generations" are found in a mature angiosperm seed?A. 3B. 4C. 5D. 6
A mature angiosperm seed contains three genetically distinct "generations": the maternal plant, the paternal plant, and the endosperm.
The maternal plant contributes two sets of chromosomes to the developing seed. One set of chromosomes comes from the egg cell, which is fertilized by a sperm cell from the paternal plant. The other set of chromosomes comes from the cells of the maternal plant that surround the developing embryo.
The paternal plant contributes one set of chromosomes to the developing seed through the fertilization of the egg cell.
The endosperm is a triploid tissue that develops within the seed and provides nutrients to the developing embryo. It contains three sets of chromosomes, with two sets coming from the maternal plant and one set coming from the paternal plant.
Therefore, the three genetically distinct "generations" found in a mature angiosperm seed are the maternal plant, the paternal plant, and the endosperm.
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dna in genes determines the condition under which message encoded in genes will be expressed. True or False?
True. DNA is the genetic material that carries the information for the synthesis of proteins, which control the structure and function of cells and organisms.
The expression of genes is regulated by DNA sequences that determine when, where, and to what extent the gene is expressed. Factors such as environmental or external stimuli can affect gene expression and influence the development of the organism.DNA (deoxyribonucleic acid) is the genetic material that makes up the genes in living organisms. Genes are segments of DNA that contain the instructions for the production of proteins which are responsible for the development of specific traits in an organism. In other words, genes provide the instructions for the construction and functioning of cells, tissues and organs in the body. Different combinations of genes can result in different traits, such as eye color or height. Each gene is made up of a sequence of nucleotides that form a code used to produce proteins.
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pica occurs when there is a deficiency of __________ in the body.
minerals. Pica, or eating clay chalk or burnt match points, happens when the body lacks certain minerals, such iron.
The majority of fluid loss happens through the stools, sweat, and urine, but it's not only those things. The quantity of body fluid lost daily through the skin, respiratory system, and water in the faeces that cannot be readily measured is known as insensible fluid loss. Elevated plasma osmolality and a reduction in effective circulation volume are the two main factors that stimulate ADH release. Osmoreceptors are a particular class of cells found in the hypothalamus that shrink when plasma osmolality rises.
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What are the 3 structures of DNA?
Answer: phosphate group, sugar molecule, and nitrogen base
Explanation: classroom notes
What is right anterior oblique position?
The right anterior oblique position is basically a radiographic positioning which is used to obtain the chest PA oblique projections.
There are a number of radiographic positioning which are required during the X-Ray. The right anterior oblique position basically utilizes the heart for the purpose of obtaining the contrast. The patient is made to support their body on a flexed knee as well as the forearm.
If a breathing technique is used, then the patient should be told to take slow as well as shallow breaths during the time of taking of the exposure. If a very short exposure time is used then the said patient should be told to hold their breath after they are breathing out as this basically helps in obtaining a uniform density in the image.
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Which of these is an example of inductive reasoning?
A) Hundreds of individuals of a species have been observed and all are photosynthetic; therefore, the species is photosynthetic.
B) These organisms live in sunny parts of this area so they are able to photosynthesize.
C) If horses are always found grazing on grass, they can be only herbivores and not omnivores.
D) If protists are all single-celled, then they are incapable of aggregating.
E) If two species are members of the same genus, they are more alike than each of them could be to a different genus
Option A is Correct. A species is considered photosynthetic if it has hundreds of individuals, all of which have been observed to be photosynthetic.
Inductive reasoning is a logical procedure in which several premises are combined to arrive at a particular conclusion. All of the premises are combined to be considered true or found true most of the time. The inductive approach begins with a large number of observations of nature with the aim of identifying a few, significant statements about how nature functions (laws and theories).
Logic is the supreme authority in the deductive approach. Using connected observations to draw a broad conclusion, inductive reasoning is a type of logical reasoning. Descriptive science frequently use reasoning of this kind. A biologist or other person who studies life makes observations and documents them.
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what’s the size of the smallest object that can be resolved by a visible-light (use green) microscope?
The smallest object that a visible-light microscope can discern using green light is around 200 nanometers in size.
The diffraction limit, which is governed by the wavelength of light employed and the numerical aperture (NA) of the lens system, determines the smallest object that can be resolved by a visible-light microscope.
Green light has a wavelength of roughly 550 nanometers (nm), or 0.55 micrometres (m) in visible light. The potential resolution limit for a green-light microscope is around 200 nanometers, or 0.2 micrometres, assuming a high-quality lens with a NA of 1.4.
This indicates that the smallest object that a visible-light microscope can discern using green light is around 200 nanometers in size. In practise, however, other factors such as lens aberrations and sample preparation might alter a microscope's true resolution. As a result, reaching the diffraction limit of resolution is not always feasible.
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Hich of the following is true? question 3 options: your cheek cells contain the same dna as your brain cells. All humans share the exact same dna in their cheek cells. Your cheek cells have the exact dna as your mother's cheek cells. Your cheek cells have about 75% of the same dna as your brain cells
The statement that is true is the DNA in your cheek cells is the same as that in your brain. The correct answer is option(b).
Cheek cells hide a constant supply of mucin, the principal element of slimy. In combination accompanying the salivary glands, the mucin claims a wettish atmosphere in the spoken cavity. This human audacity cell is a proper behavior of a conventional animal cell. It has a famous nucleus and a bendable cell sheath that gives the cell allure an irregular, smooth-appearing shape. Like most eukaryotic cells, this cell is hugely distinguished from prokaryotic cells.
The smallest living organism in an animal cell is tinier in content or missing. The core is present at the center of the cytoplasm. The absence of a cell obstruction and a conspicuous smallest living organism are signs that help label animal cells, in the way that cells are visualized in the human audacity.
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The complete question is:
Which of the following is true?
a. Your cheek cells have the exact DNA as your mother's cheek cells.
b. Your cheek cells contain the same DNA as your brain cells.
c. All human cheek cells have identical DNA.
d. Your cheek cells have about 75% of the same DNA as your brain cells.
which vessel does the tip of central venous catheter terminate in
The tip of a central venous catheter typically terminates in the superior vena cava, which is the large vein that carries deoxygenated blood from the upper body to the right atrium of the heart.
The catheter is usually inserted into a large vein in the neck, chest, or arm, and then carefully threaded through the vein, sometimes with the aid of X-ray or ultrasound guidance, until the tip of the catheter reaches the superior vena cava. The catheter may then be used for a variety of purposes, such as delivering fluids and medications, taking blood samples, or measuring pressure in the heart chambers. The superior vena cava carries deoxygenated blood from the head and upper body to the right atrium of the heart. The catheter is inserted through a vein in the neck, arm, or chest and is used to provide access to the venous system for administering medications or fluids and drawing blood samples.
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how does conditioning help an animal survive and reproduce?
An animal responds to cues that assist it find food, avoid threats, find mates, and find offspring in order to survive and reproduce.
The foundation of animal training is operant conditioning. The animal learns (or is conditioned) through its behaviours because it acts (operates) just on environment in this sort of learning. According to operant conditioning, the subsequent consequences might either raise or decrease the chance of a behaviour. This provided more support for the hypothesis that classical conditioning can aid in species survival by teaching organisms to avoid stimuli that actually endanger their health and welfare. Your dog eventually learns to connect the signal with occasion. Body conditioning creates a healthy, solid physique as well as boosts flexibility and endurance.
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