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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
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Which one of the following organs in the human body is most affected due to shortage of oxygen?
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Correct option: D
Brain
Option D (Brain) is correct because the brain has a high metabolic rate and is extremely sensitive to oxygen deprivation.
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Select appropriate choice for the blanks A, B and C to complete the given NCERT statement The largest quantity of air that can be expired after a maximum inspiratory effort is Assertion : Most fish when out of water, die of
suffocation.
Reason : Atmospheric air contains far less
oxygen content than the dissolved oxygen in
water. The faster breathing in high fever is due to the