EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Bronchioles split off at the end to form tiny air pouches called ____ that are the site of gas exchange with the blood.
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capillaries
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villi
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bronchi
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alveoli
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Explanation:
Detailed explanation-1: -Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.
Detailed explanation-2: -Each respiratory bronchiole divides into two through eleven alveolar ducts; each duct gives rise to five through six alveolar sacs.
Detailed explanation-3: -The bronchi are the two large tubes that carry air from your windpipe to your lungs.
There is 1 question to complete.