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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

C: Arterial capillary - Passes oxygen to tissues

C

A: Alveolar cavity - Main site of exchange of respiratory gases

D

D: Capillary wall- Exchange of `O_(2)` takes place here

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The correct Answer is:
C
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