Why does spending the day in the sun exhaust our bodies so much?

Question

Why does spending the day in the sun exhaust our bodies so much?

In: 19

Answer 1

your body has to do work to try to keep itself cool. your heart has to do more work to send blood to your skin to cool you down.

Answer 2

your body has to do work to try to keep itself cool. your heart has to do more work to send blood to your skin to cool you down.