Science, asked by irisgreene, 1 year ago

why do we yawn.......

Answers

Answered by AnujGautam

when we are bored or tired,we just don't breathe as deeply as we usually do. Our body take in less Oxygen because our Breathing has slowed. Therefore, yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood.

Srishma: hey this answer is copy pasted from google :(

AnujGautam: No , I heard it before in TED talks !

Srishma: umm...but wen i searched tat same question in google...i got d same answer like yours

Srishma: :(

Srishma: umm...okk....congrats for d brainliest answer :)

AnujGautam: dun know , may be possible !!

AnujGautam: thanks!! ☺

Srishma: ur welcome

Srishma: :)

Answered by Anonymous

Answer:

When there is excess or accumulation of carbon dioxide in our body then we yawn.

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