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Presence of large number of alveloli aro...

Presence of large number of alveloli around alveolar ducts opening in to bronchiles in mammalian lungs is

A

an efficient system of ventilation with no residual air

B

an efficient system of ventilation with little residual air

C

inefficient system of ventilation with little of residual air

D

inefficient system of ventilation with high percentage of residual air

Text Solution

Verified by Experts

The correct Answer is:
B
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