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

ZoologyBreathing and Exchange of GasesHuman Respiratory SystemEasy2 minPYQ_2020
ZoologyEasysingle choice

A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. What is the fate of this O2?

Options:

Answer:
D
Solution:

Tissue are able to utilize only 25% ofO2carried by arterial blood. The venous blood is still 75% saturated withO2. ThisO2acts as a reserve during muscular exercise.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Breathing and Exchange of GasesSubtopic:Human Respiratory System
⏱ 2mℹ️ Source: PYQ_2020

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