PATHOLOGY MCQ
PANCREAS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The ____ from the digestive system and the ____ from the respiratory system increase the surface area of the body to increase absorption and gas exchange.
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duodenum, trachea
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villi, bronchi
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villi, alveoli
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duodenum, alveoli
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Explanation:
Detailed explanation-1: -The acinus is the structure in the lung where gas exchange occurs. The sac-like structure of the alveoli increases their surface area.
Detailed explanation-2: -Both the alveoli in the lungs and villi in the small intestine are in direct contact with blood capillaries. this enables gaseous exchange in the lungs via alveoli, and absorption of nutrients in the small intestine via villi. Also, both increase the surface area of absorption.
There is 1 question to complete.