ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The air sacs that are covered with capillaries where gas exchange takes place ____
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bronchi
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lungs
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oxygen
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alveoli
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Explanation:
Detailed explanation-1: -ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli. Blood passes through the capillaries, entering through your PULMONARY ARTERY and leaving via your PULMONARY VEIN.
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