BIOLOGY HIGH SCHOOL

Where does gas exchange take place in the respiratory system, and between what structures?

Answers

Answer 1
Answer: The gas exchange take place in the lungs where carbon dioxide and oxygen diffuse across alveoli (which are attached to every bronchial tubes) and tiny capillaries surrounding them.
Answer 2
Answer:

Final answer:

Gas exchange in the respiratory system occurs in the alveoli, which are small air sacs located in the lungs. Oxygen diffuses from the alveoli to the capillaries, while carbon dioxide diffuses from the capillaries to the alveoli.

Explanation:

Gas exchange in the respiratory system takes place in the alveoli, which are small air sacs located at the ends of the respiratory bronchioles. These structures are found within the lungs. The alveoli are surrounded by capillaries, which are tiny blood vessels.

When we breathe in, oxygen from the air enters the alveoli and diffuses across the thin walls of the alveoli and capillaries. At the same time, carbon dioxide, a waste product, diffuses from the capillaries into the alveoli to be removed when we exhale.

So, the gas exchange occurs between the alveoli and the capillaries surrounding them.

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Answers

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Answers

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Answers

Correct answer: A). Carrying capacity

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Answers

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Answers

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Answers

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