Question

reason behind yawning

Answer 1

If the brain's temperature gets too faroutside of the norm, inhaling air can help cool it down. ... During a migraine, your blood clots in your brain. Yawning helps to cool your brain down from that clotting. Another reason you may yawn is because the body wants to wake itself up

mrk as brainliest

Answer 2

here is your answer
================>♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡Yawning is a mostly involuntary process of opening the mouth and breathing in deeply, filling the lungs with air. It is a very natural response to being tired. In fact, yawning is usually triggered by sleepiness or fatigue. ... Certain conditions can cause a vasovagal reaction, which results in excessive yawning.♡♡♡♡♡♡♡◇♡♡♡♡♡♡♡♡♡♡♡♡♡