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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
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Relaxation of the diaphragm and the intercostal muscles results in
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Correct option: B
Expiration
Option B (Expiration) is correct because relaxation of the diaphragm and intercostal muscles decreases the thoracic volume, leading to expiration.
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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