English, asked by Brainlypopgirl, 10 months ago

Why do we yarn when we feel Sleepy or drowsy???❓❓❓❓❓❔❓❔❓❔❓❔❓❓❓❓❓❓❔❔❓❓❓❓❓❓❓❓❓❓❔❔❓❓❔❓❓❓❓❓❔❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❔❓❔❕❕❔❕❓❓❓❓❔​

Answers

Answered by Anonymous
6

Answer:

Because our brain cells lack sufficient amount of oxygen.

hope it's help you

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Answered by Sakshi1769
4

Answer:

We yawn because the brain cells lack sufficient amount of oxygen.we also feel so much tired!

Mark me brainliest......

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