You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Increased ventilation at start of exercise is due to- and explain in detail?
Ans. is 'b' i.e., Proprioceptors o 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.o Arterial pH, PCO2 and PO2 remain constant during moderate exercise because increase in ventilation is proportionate to increase in O2 consumption.