EMBRYOLOGY
RESPIRATORY SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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30 thousand
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600 million
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60 million
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60 thousand
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Detailed explanation-1: -There are about 300 million alveoli in both Lungs which increase the surface area for the exchange of respiratory gases.
Detailed explanation-2: -There are approximately 700 million alveoli in the lungs, covering a total surface area of about 70 m2, which is a considerably larger surface area relative to volume. The large surface area makes gas exchange with the bloodstream more efficient.
Detailed explanation-3: -There are approximately 600 – 800 million alveoli in the two lungs of a human being. The alveoli are sac-like structures that store the air that one breathes in.
Detailed explanation-4: -Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. Although they’re microscopic, alveoli are the workhorses of your respiratory system. People have an average of 480 million alveoli in their lungs, located at the end of bronchial tubes.