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NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES
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Medium
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Understanding
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Receptors associated with the aortic arch and carotid artery can recognize the changes in …A… and concentration and send necessary signals to the …B… for remedial actions Select the right choice for A and B to complete the given NCERT statement
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Correct option: C
A-; B-rhythm centre
Option C (A-; B-rhythm centre) is correct because aortic and carotid receptors detect changes in carbon dioxide and hydrogen ion concentrations, sending signals to the rhythm center.
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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