When a woman runs, the primary energy conversion that occurs is from chemical energy to kinetic energy. Initially, the chemical energy stored in her body's muscles—derived from the food she has consumed (carbohydrates, fats, and proteins)—is converted into kinetic energy as her muscles contract and produce movement. Additionally, some of that chemical energy is also converted into thermal energy as heat, which is a byproduct of metabolism and muscle activity.
A woman runs
What main energy conversion occurs?
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