MEDICAL
LUNGS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alveoli have a
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high surface area
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low surface area
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The alveoli cover a surface of more than 1, 399 feet (ft) or 130 square meters (m2) . This large surface area is necessary to process the huge amounts of air involved in breathing and getting oxygen to your lungs.
Detailed explanation-2: -The moisture layer in the alveoli allows gases to dissolve so that they can easily diffuse. The alveoli, supported by the thick network of capillaries covering them, have a very wide overall surface area and a very strong blood supply.
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