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Question: Answered & Verified by Expert
Receptors associated with aortic arch and carotid artery can recognise changes in
BiologyBreathing and Exchange of GasesNEET
Options:
  • A Only CO2 concentration in blood
  • B H+ and O2 concentration in blood
  • C CO2 and Hconcentration in blood
  • D O2 concentration in blood
Solution:
1989 Upvotes Verified Answer
The correct answer is: CO2 and Hconcentration in blood
Receptors associated with aortic arch and carotid artery also can recognise changes in CO2 and H+ concentration and send necessary signals to the rhythm centre for remedial actions. The role of oxygen in the regulation of respiratory rhythm is quite insignificant.

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