Exercise Physiology
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration, resulting in the equal distribution of substances. In the context of gas exchange and oxygen uptake during exercise, diffusion is crucial as it allows for the transfer of oxygen from the alveoli in the lungs into the bloodstream and the movement of carbon dioxide from the blood into the alveoli to be exhaled. This exchange is vital for maintaining proper physiological function and supporting aerobic metabolism during physical activity.
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