Q. Receptors associated with the aortic arch and carotid artery can recognize the changes in …A… and $H^{+}$ 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

A) A-$OH^{-}$; B-rhythm centre
B) A-$O_{2}$; B-rhythm centre
C) A-$CO_{2}$; B-rhythm centre
D) A-blood circulation; B-rhythm
Explanation

A-$CO_{2}$; B-rhythm

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.