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The figure given below shows a small par...

The figure given below shows a small part of human lung where exchange of gases takes place. In which one of the option given below, the one part A, B, C or D is correctly identified along with its functions

A

B : red blood cell - transport of `CO_2` mainly

B

D : capillary wall - exchange of `O_2 and CO_2` takes place here.

C

A : alveolar cavity - main site of exchange of respiratory gases

D

C : arterial capillary - passes oxygen to tissues

Text Solution

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The correct Answer is:
C
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