Question

how does the atmospheric air get into the lungs write down the changes occur in respiratory system while respiration take place? 4 mark question​

Answer 1

Answer:

At the end of the bronchioles are air sacs called alveoli, and this is where gas exchange occurs. An important structure of respiration is the diaphragm. When the diaphragm contracts, it flattens and the lungs expand, drawing air into the lungs. When it relaxes, air flows out, allowing the lungs to deflate.

Explanation:

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Answer 2

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When you breathe in, the diaphragm moves downward toward the abdomen, and the rib muscles pull the ribs upward and outward