In moderate excercise the respiratory rate is increased due to response of?

In moderate excercise the respiratory
rate is increased due to response of ?
a) Propioception receptor in the joints
b) ↓PCO2 in arterial blood
c) ↓PO2 in arterial blood
d) J-receptor stimulation
Correct Answer - A
Ans. A. Propioception receptor in the joints
In moderate exercise the abrupt increase in ventilation at the start of
exercise is due to psychic stimuli and afferent impulses from
proprioceptors in muscles, tendons and joints.