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प्रश्न
Very short answer question.
Why is a gas exchange very rapid at the alveolar level?
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उत्तर
Alveoli are lined by layer of simple squamous epithelial epithelium. This thin, single layer of epithelium allows the rapid exchange of gases in alveolar region.
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संबंधित प्रश्न
Short answer question.
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Long answer question:
Smita was working in a garage with the doors closed and automobile's engine running. After some time she felt breathless and fainted. What would be the reason? How can she be treated?
In human respiration, chemical energy is released in the form of ______.
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| (S) FRC | iv. Volume of air present after expiration in lungs. |
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