Answer:
Respiratory System
Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. Common problems include allergies, diseases or infections.
What is the respiratory system?
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
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FUNCTION
What does the respiratory system do?
The respiratory system has many functions. Besides helping you inhale (breathe in) and exhale (breathe out), it:
Allows you to talk and to smell.
Warms air to match your body temperature and moisturizes it to the humidity level your body needs.
Delivers oxygen to the cells in your body.
Removes waste gases, including carbon dioxide, from the body when you exhale.
Protects your airways from harmful substances and irritants.
ANATOMY
What are the parts of the respiratory system?
The respiratory system has many different parts that work together to help you breathe. Each group of parts has many separate components.
Your airways deliver air to your lungs. Your airways are a complicated system that includes your:
Mouth and nose: Openings that pull air from outside your body into your respiratory system.
Sinuses: Hollow areas between the bones in your head that help regulate the temperature and humidity of the air you inhale.
Pharynx (throat): Tube that delivers air from your mouth and nose to the trachea (windpipe).
Trachea: Passage connecting your throat and lungs.
Bronchial tubes: Tubes at the bottom of your windpipe that connect into each lung.
Lungs: Two organs that remove oxygen from the air and pass it into your blood.
From your lungs, your bloodstream delivers oxygen to all your organs and other tissues.
Muscles and bones help move the air you inhale into and out of your lungs. Some of the bones and muscles in the respiratory system include your:
Diaphragm: Muscle that helps your lungs pull in air and push it out.
Ribs: Bones that surround and protect your lungs and heart.
When you breathe out, your blood carries carbon dioxide and other waste out of the body. Other components that work with the lungs and blood vessels include:
Alveoli: Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
Bronchioles: Small branches of the bronchial tubes that lead to the alveoli.
Capillaries: Blood vessels in the alveoli walls that move oxygen and carbon dioxide.
Lung lobes: Sections of the lungs — three lobes in the right lung and two in the left lung.
Pleura: Thin sacs that surround each lung lobe and separate your lungs from the chest wall.
Some of the other components of your respiratory system include:
Cilia: Tiny hairs that move in a wave-like motion to filter dust and other irritants out of your airways.
Epiglottis: Tissue flap at the entrance to the trachea that closes when you swallow to keep food and liquids out of your airway.
Larynx (voice box): Hollow organ that allows you to talk and make sounds when air moves in and out.
CONDITIONS AND DISORDERS
What conditions affect the respiratory system?
Many conditions can affect the organs and tissues that make up the respiratory system. Some develop due to irritants you breathe in from the air, including viruses or bacteria that cause infection. Others occur as a result of disease or getting older.
Conditions that can cause inflammation (swelling, irritation and pain) or otherwise affect the respiratory system include:
Allergies: Inhaling proteins, such as dust, mold, and pollen, can cause respiratory allergies in some people. These proteins can cause inflammation in your airways.
Asthma: A chronic (long-term) disorder, asthma causes inflammation in the airways that can make breathing difficult.
Infection: Infections can lead to pneumonia (inflammation of the lungs) or bronchitis (inflammation of the bronchial tubes). Common respiratory infections include the flu (influenza) or a cold.
Disease: Respiratory disorders include lung cancer and chronic obstructive pulmonary disease (COPD). These illnesses can harm the respiratory system’s ability to deliver oxygen throughout the body and filter out waste gases.
Aging: Lung capacity decreases as you get older.
Damage: Damage to the respiratory system can cause breathing problems.
The characteristics of the respiratory system restrict where an organism is able to live, due to the availability and diversification of oxygen sources, not all living beings can obtain an oxygenation rate
What are the main factors that influence the solubility of oxygen?There are, however, two factors that change its solubility:
pressure and temperature.The influence of pressure on a liquid can be stated by Henry's Law: "At constant temperature, the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid."
With this information, we can conclude that the characteristics of the respiratory system restrict where an organism is able to live, due to the availability and diversification of oxygen sources, not all living beings can obtain an oxygenation rate
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Results from a wide-range of climate model simulations suggest that the Earths average surface temperature could be between 1.1 and 5.4°C warmer in 2100 than it
was in 2015. Which best summarizes this information:
By 2100, the global average annual temperature will decrease more than 1.1 and
less than 5.4°C.
By 2100, the global average annual temperature will increase more than 5.4°C.
By 2100, the global average annual temperature will decrease more than 1.1°C.
By 2100, the global average annual temperature will increase more than 1.1 and
less than 5.4°C.
Answer:
c
Explanation:
I took the test
Bacteria living in nodules on the roots of legumes have the ability to fix atmospheric nitrogen into a water-soluble form that plants can use. The bacteria absorb sugar from the plants’ roots. Which describes the relationship between the bacteria and the legume plants?
A.
parasitism
B.
mutualism
C.
commensalism
D.
predation
Answer:
B. mutualism
Explanation:
Legume plants have the ability to fix atmospheric nitrogen, due to a mutualistic symbiotic relationship with bacteria found in root nodules of these plants.
What are two ways in which mountains can form as a result of magma hardening beneath Earth’s surface?
Answer:
When an uplift pushes a batholith or smaller body of hardened magma toward the surface.
Explanation:
And sometimes when magma fails to reach the surface it hardens in to rock.
Found on any ventral cavity organ surface is called.
Answer:
I think visceral serosa.
Explanation:
Terms in this set (8) visceral serosa. found on any ventral cavity organ surface. parietal serosa.
Which part of a neuron is a long, tail-like extension that carries messages out to other cells?.
Answer:
neuron is your answer ok mark me brainlest
Which type of cell does not contain membrane-bound organelles?.
Answer:
prokaryotic cells
Explanation:
When a mosquito infected with plasmodium first bites a human, the plasmodium _____.
Answer:B) cells infect the human liver cells
Explanation:
WILL GIVE BRAINLESIT HURRY I HAVE 40 MIN\
The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state. After the change, the atoms are close together but are able to slide past one another.
A diagram has a triangle at center with gas on top, liquid on bottom right, solid on bottom left. An arrow from gas to liquid is labeled O, and an arrow from liquid to gas is labeled N. An arrow from solid to liquid is labeled P, and an arrow from liquid to solid is labeled Q. An arrow from solid to gas is labeled L, and an arrow from gas to solid is labeled M.
Which arrow represents the change of state described above?
L
N
O
P
Answer:
O and Q
Explanation:
Why O: Because gas has a lot of energy and movement and doesn't have a definite shape or volume, it can move as much as it likes, but when it condenses, it becomes a liquid, and a liquid has a definite volume, but no definite shape, and has less energy and movement.
Why Q: Because liquid has a definite volume, but no definite shape, and a good amount of energy and movement, but when it freezes it loses its energy and movement, and becomes a solid, and a solid has a definite volume and shape and the particles can barely move enough to vibrate
I hope you at least understand my concept. :)
The form of eukaryotic cell division that produces two genetically identical cells is Select one: a. binary fission. b. meiosis. c. genetic recombination. d. mitotic division.
The form of eukaryotic cell division that produces two genetically identical cells is mitotic division.
WHAT IS MITOSIS?Mitosis is a type of cell division that results in the formation of two daughter cells that are genetically identical to one another.
Mitosis is employed by virtually all cells for replication purpose i.e. to produce more copies of the same type of cell.
Therefore, the form of eukaryotic cell division that produces two genetically identical cells is mitotic division.
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Both plants and blue-green algae are photosynthetic but are classified as separate kingdoms. Which statement identifies a characteristic that distinguishes blue-green algae from plants?
Question 9 options:
Blue-green algae use their chlorophyll differently from plants.
Plants lack membrane-bound organelles and blue-green algae contain membrane-bound organelles.
Plants have specialized tissues and organs and blue-green algae do not.
Blue-green algae are better than plants at moving from place to place.
Answer:
Plants have specialized tissues and organs blue-green algae do not.
Explanation:
One of the reasons algae are protists and not plants is because they lack structures that plants do have such as roots, leaves etc.
The statement that identifies a characteristic that distinguishes blue-green algae from plants is "Plants have specialized tissues and organs and blue-green algae do not."
What is the classification of plants ?Plants are classified as part of the kingdom Plantae, which includes multicellular, eukaryotic organisms that are photosynthetic and have specialized tissues and organs such as leaves, stems, and roots.
In contrast, blue-green algae (also known as cyanobacteria) are classified as part of the kingdom Monera or Bacteria, which includes unicellular, prokaryotic organisms that lack specialized tissues and organs.
Blue-green algae are also different from plants in their use of chlorophyll, which is organized differently in their cells. They do not have membrane-bound organelles like plants and other eukaryotic organisms.
Finally, blue-green algae are not better than plants at moving from place to place, as they are generally immobile and do not have specialized structures for locomotion.
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The characteristic that all lipids have in common is __________.
Answer:
they have in common is fats
does anybody know this ?
Answer:
It should be 2?
Explanation:
If black means them having freckles
Which structure of a flower releases pollen? anther sepal pistil ovary.
Answer: Pistil is the male organ in the plant.
Answer:
The one above me is wrong do not pick that one it is actually ANTHER!
(aka the answer is A)
Explanation:
How many more teeth do adults have than ""baby"" teeth?.
Answer:
there are 12 more teeth in adult than in baby:)
What adaptations de only bears have that make them able to survive in their ecosystem?
They are omnivores
They are producer
They are herbivores
They are carnivores
Answer:
they are omnivores
Explanation:
They are able to eat fish in the summer and early spring they eat earthworms to gain extra pounds after winter. Before winter they can eat meat but prefer to eat acorns as it is less effort to feed on them.
Safety A Burns B. Cuts C. Falls D. Fires E. Shocks F. Strains 1.
After cooking with grease, fat or oil, clean accumulated grease from range hoods, grills, and deep fat fryers
Answer:
B cuts
maaf kalau salah oke
What separates the internal contents of a cell from the extracellular environment?.
Which of these organelles folds proteins?
Answer:
the endoplasmic reticulum is the organelle that folds proteins:D
Answer:
"the endoplasmic reticulum"
Explanation:
"In all eukaryotic cells, the endoplasmic reticulum (ER) is an intracellular organelle where folding and assembly occurs for proteins destined to the extracellular space, plasma membrane, and the exo/endocytic compartments".
How do the results of the simulations in Lessons 10 and 11 help you explain how it is possible that applying antibiotics can lead to a population that becomes more resistant to antibiotics than they were initially, even when individual bacterium traits are not changing and the trait variations that an offspring inherits are identical to those of its parent?
Answer:
its like cov/d. if u get it you will be ammune when it goes away. so its the same wit this situation.
Explanation:
Which describes a likely advantage of the roots that gymnosperms have? They are shallow, preventing the plants from growing too tall above ground. They are shallow, allowing the plants to easily gather water from Earth’s surface. They grow deep, preventing the plants from growing too tall above the ground. They grow deep, allowing the plants to gather water from far below Earth’s surface.
The roots of eh gymnosperms are long and deep, with the advantage to gather deep water. Thus, option D is correct.
Roots are the important network of tissues that gathers the water and essential nutrients from the soil and allow growth.
What type of roots are in Gymnosperms?The gymnosperms are advanced plants with bare seeds. The roots system in the gymnosperms is the taproot system.
The root system in the gymnosperm is the long deep roots that are immersed deep inside the soil.
Thus, the advantage of roots to gymnosperms arises from the deep root for gathering water below the surface. Thus, option D is correct.
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pls answer this it's due today
How does the sickle cell trait prevent the inflammation of blood vessels that usually occurs with malaria?
Why is photosynthesis and cellular respiration essential to life?
Answer:
Photosynthesis and Cellular Respiration are an essential part of human life. These processes are what have kept the Earth a more habitable environment. Without photosynthesis, we would not be able to receive energy.
Explanation:
Answer:
Because the process allows plants to have energy to carry out bodily functions and well, live. Plants are crucial to the ecosystem as they provide food, shelter, breeding grounds, and oxygen to other organisms.
Explanation:
Blood from the lower limbs drains into the __________ before returning to the heart.
Answer:
The inferior vena cava returns blood from the lower limbs to the heart.
Explanation:
What percent of the world's energy comes from coal?
Roots, stems, and leaves of plants each are composed of various tissues such as xylem, phloem, epidermis, cortex, pith, and endodermis. Roots, stems, and leaves of plants should be considered to be plant Select one: a. cells. b. tissues. c. organs. d. organisms.
Roots, stems, and leaves of plants should be considered to be plant organs (option c). They are formed by tissues.
Plant organs and tissuesPlants are multicellular organisms and therefore they are anatomically organized into different levels.
Plant tissues are groups of cells specialized to perform one or more functions.
Moreover, plant organs are groups of tissues specialized to perform higher-level functions.
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you are a scientist trying to spread the word about the actions of mankind and provide a solution for our safety health and livability.
This is the correct statement. A scientist publicized the actions of science in favor of society and provide a solution for our safety, health and livability.
ScientistA scientist is a professional who performs a systematic activity to achieve knowledge about something. Through the scientific method, it carries out research to clearly and accurately understand some fact pertaining to the
PhysicalMathematicalChemical Social dimensionof the environment or object studied.
Scientific methodThe “scientific method” is about observing a
FactCollecting dataRaising a questionFormulating hypothesesCarrying out monitored experimentsEvaluating their results and Drawing up conclusions.The facts are based on real, empirical and verifiable evidence through the materiality of the investigated phenomena.
With this information, we can say that the scientist's role is to provide technology and scientific improvement to society.
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The acidic chyme entering small intestine is neutralized by the bile.
Once food is in the small intestine, it stimulates the pancreas to release fluid containing a high concentration of bicarbonate. This fluid neutralizes the highly acidic gastric juice, which would otherwise damage the membrane lining of the intestine, resulting in a duodenal ulcer.
Hope it Helped.
In pea plants, long stems are dominant to short stems, purple flowers are dominant to white, and round peas are dominant to wrinkled. Each trait is determined by a single, different gene. A plant that is heterozygous at all three loci is self-crossed, and 2,048 progeny are examined. How many of these plants would you expect to be long stemmed with purple flowers, producing wrinkled peas?
Assuming the genes are not linked nor interacting with each other, the expected number of long stemmed plants with purple flowers, producing wrinkled peas, L-P-rr, is 288.
Available datalong stems are dominant to short stemspurple flowers are dominant to white, round peas are dominant to wrinkledEach trait is determined by a single, different gene.A heter0zyg0us plant is self-crossedF1) 2,048 descendantsLet us name te alleles as follows
L ⇒ Long steml ⇒ Short stemP ⇒ Purple flowersp ⇒ white flowersR ⇒ Round peasr ⇒ wrinkled peasCross) heter0zyg0us plant is self-crossed
Parental) LlPpRr
Gametes) LPR, LPr, LpR, Lpr, lPR, lPr, lpR, lpr
Assuming that these genes are not linked nor interacting with each other, to make the calcs easier we will make crosses considering each gene separately.
StemsParental) Ll x Ll
F1) 1/4 LL, 2/4 Ll, 1/4 ll
3/4 long stem, 1/4 short stem
Flower colorParental) Pp x Pp
F1) 1/4 PP, 2/4 Pp, 1/4 pp
3/4 purple flowers, 1/4 white flowers
PeasParental) Rr x Rr
F1) 1/4 RR, 2/4 Rr, 1/4 rr
3/4 round peas, 1/4 wrinkled peas
Now, we will get the proportion of individuals with long stems, purple flowers, producing wrinkled peas, L-P-rr
Note: The symbol - is representing either a dominant or a recessive allele.
From the crosses, we know that
3/4 are long stemmed, 3/4 have purple flowers, and 1/4 have wrinkled peas.To get the proportion of individuals expressing all these traits together, we just need to multiply these values.
3/4 L- x 3/4 P- x 1/4 rr = 9/64 L-P-rr
Knowing that the total number of plants is 2,048 and that there are 64 possible gametes combinations from this cross, we will use the proportion 9/64 to get the number of plants with these traits.
64 ------------- 2,048 plants
9 -------------- X = (9 x 2048) / 64 = 288 plants.
We expect to find 288 long stemmed plants with purple flowers, producing wrinkled peas.
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A coefficient of coincidence of 0.25 means that:____.
a. The frequency of double crossovers is 1/4.
b. The frequency of double crossovers is 1/4 of the number expected if there were no interference.
c. There were four times as many single crossovers as double crossovers.
d. There were four times as many single crossovers in one region as there were in an adjacent region.
e. There were four times as many parental as recombinant progeny.
Answer:
the answer is B
Explanation:
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