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Mammalian lungs have an enormous number ...

Mammalian lungs have an enormous number of minute alveoli (air sacs). This is to allow

A

 Increasing volume of inspired airÂ

B

Keeping the lungs in proper shapeÂ

C

Higher number of muscles to provide greater elasticityÂ

D

Increasing surface area for gaseous diffusionÂ

Text Solution

Verified by Experts

The correct Answer is:
D
Mammalian lungs have numerous alveoli for increasing surface area for gaseous diffusion.Â
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