MCQ
$A$ : When a person starts doing exercise, rate and depth of breathing increase even before these are changes in $pO _{2}, pCO _{2}$ or $H ^{*}$ concentration.
$R$ : The main stimulus for these quick changes is due to input from the proprioreceptors, which monitor movements of joints and muscles.
- ✓Assertion and Reason both are correct and also correct explanation.
- BAssertion and Reason both are correct but not explanation of assertion.
- CAssertion is correct, but Reason is incorrect.
- DBoth Assertion and Reason are incorrect.
