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MediumZoologyGas transport
+4 / -1

Assertion : Exchange part is the site of actual diffusion of O₂ and CO₂ between blood and atmospheric air.
Reason : The alveoli (vascularised bag like structure) and their ducts form the exchange part. Alveoli are the primary sites of exchange of gases.

A
Both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B
Both Assertion & Reason are True but Reason is not the correct explanation of the Assertion.
C
Assertion is True but the Reason is False.
D
Both Assertion & Reason are False.
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