ElI5 why do our bodies want to throw up after intense exercises.

Question

For example running, after a long intense run I want to throw up and I wonder why our bodies would want to throw up.

In: 6

Answer 1

>”__Lack of hydration__ during exercise is a well known cause of headache and nausea. Exercising at a heavy rate causes __blood flow to be taken away from the stomach__, causing nausea.”

https://en.m.wikipedia.org/wiki/Exercise-induced_nausea