Science, asked by millie13, 10 months ago

What is the reason of yawning ?​

Answers

Answered by ayushkumar3009
1

Answer:

reason for yawning is that brain needs about 20% of the total oxygen. when our brain runs out of oxygen it commands the body to intake more oxygen and it results in yawning, which gives the body much more oxygen than a normal breath.

Answered by maheshwarishipra2
0

Answer:

opening mouth and breathing is deeply filling the lungs with air.

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