Question

Carbon dioxide moves from the blood capillaries into the alveoli by diffusion. Explain why the rate of diffusion of carbon dioxide increases during exercise

Answer 1

During exercise, the body's metabolic rate increases, leading to an increase in carbon dioxide product. This increase in carbon dioxide product leads to an increase in the partial pressure of carbon dioxide in the blood.

As a result, there's a steeper attention grade between the blood capillaries and the alveoli, which drives the prolixity of carbon dioxide from the blood capillaries into the alveoli.

Likewise, during exercise, there's an increase in cardiac affair and respiratory rate. This increase in respiratory rate leads to an increase in ventilation, which increases the quantum of air that's brought into contact with the alveoli. This increased ventilation also helps to remove carbon dioxide from the body more efficiently.

In addition to these factors, during exercise, there's an increase in muscle blood inflow. This increased blood inflow leads to a lesser quantum of blood being delivered to the lungs, which increases the quantum of carbon dioxide that can be removed from the body.

Overall, during exercise, there are several factors that contribute to an increase in the rate of prolixity of carbon dioxide from the blood capillaries into the alveoli. These factors include an increase in metabolic rate and carbon dioxide product, an increase in ventilation and air inflow, and an increase in muscle blood inflow.

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