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Division of mammalian lungs into a very ...

Division of mammalian lungs into a very large number of tiny alveoli around alveolar ducts opening into brondchioles, is

A

 Inemcient system of ventilation with little of residual airÂ

B

Inefiicient system of ventilation with high percentage of residual airÂ

C

An efficient system of ventilation with no residual air .Â

D

An efficient system of ventilation with little residual air

Text Solution

Verified by Experts

The correct Answer is:
D
Presence of large number of alveoli around alveolar ducts opening into bronchioles in mammalian lungs is an efficient system of ventilation with little residual air.Â
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