Question

Whenever we feel drowsy or sleepy, we start yawning. Does yawning help us in

anyway?​

Answer 1

Answer:

When we feel drowsy or sleepy, rate of breathing is declerate, that means enough oxgen is not supplied to lungs it makes us yawn and when we yawn we get extra orygen into the lungs that helps us in staying awake

Explanation:

i hope it helps, can u please make me in brainlist.

thank you- Gabby

Answer 2

Answer:

Explanation:

When we feel sleepy rate of respiration slows down. Because of this lungs will not get enough oxygen and we yawn. Yawning bring extra oxygen to the lungs and helps us in being awake.