Question

Why does swimming fast require lots of energy?

Answer 1

swimming requires lots of energy because you need the energy to keep your body warms hole in the water and also to help in metabolism

Answer 2

A 160-pound person burns approximately 423 calories an hour while swimming laps at a low or moderate pace. That same person may burn up to 715 calories an hour swimming at a more vigorous pace. A 200-pound person doing the same activities would burn between 528 and 892 calories an hour.

But why?

1. Water temperature affects physiological systems which can make you tired.
2. Swimming is a full-body workout.
3. Swimming can cause dehydration.
4. Swimming workout intensity can affect energy levels.
5. Nutritional timing before and after swimming can affect fatigue.
6. Swimming in the sun can make you tired.

Step-by-step explanation: