what happens inside the body when athletes get a “2nd wind”?

Question

what happens inside the body when athletes get a “2nd wind”?

In: 403

Answer 1

Maybe it’s something to do with the part of your body that says it’s tired being too tired to tell you about it? That’s a thing I’ve heard about staying up late at night, the “2nd wind” there- given they’re different types of fatigue it may not apply though.