Question

when where we fell drowsy or sleepy we start gowning why​

Answer 1

Answer:

no

Explanation:

jvgjgfckkjcgwhWigzajz,sfjzgfuuddyyducydhhcdn

Answer 2

Answer:

if this is helpful then please mark me as brainliest

Explanation:

When we are sleepy or feel drowsy, we yawn because our brain cells lack sufficient amount of oxygen. The deep breath associated with yawning helps us to drawn in more oxygen and supply the much needed oxygen to the tired body organs including the brain..