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Zoology - Breathing and Exchange of Gases Question with Solution | TestHub

ZoologyBreathing and Exchange of GasesHuman Respiratory SystemEasy2 minPYQ_2020

ZoologyEasysingle choice

What are the modes of exchange of gases ( $O_{2}$ and ${C O}_{2}$ ) at the level of alveoli and tissues respectively?

Options:

Answer:

Solution:

Exchange of gases in the human body occurs at mainly two sites-

$1 .$ Alveoli (between atmospheric air and blood) - Primary sites for the exchange of gases.

$2 .$ Between blood and tissues.

At both the above sites, $O_{2}$ and ${C O}_{2}$ are exchanged by simple diffusion.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Breathing and Exchange of GasesSubtopic:Human Respiratory System

⏱ 2mℹ️ Source: PYQ_2020

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