Question:
What happens to the respiratory process in a man going up a hill?
Answer:
As height or altitude increases, the oxygen levels in the atmosphere decreases. Therefore, as a man goes uphill, he gets less oxygen to breathe. This causes the amount of oxygen in the blood to reduce. The respiratory rate increases in response to the decrease in the oxygen content of blood. Simultaneously, the rate of heart beat increases to increase the supply of oxygen to blood.
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