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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 options given below the one part A,B,C or D is correctly identified along with its function

A

A-alveolar cavity-main site of exchange of repiratiroy gases

B

D-capillary wall - exchange of gases takes place here

C

B- Red blood cell - transport of mainly haemoglobin

D

C- Artial capillary- passes oxygen to tissues

Text Solution

Verified by Experts

The correct Answer is:
A
Option is correctly mentioned as alveloi The exchane of gases `(O_(2) and CO_(2)` between the alveoli and the blood occurs by simple diffusion.
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