Why do people yawn ??

Yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood.

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Yawning help us to control our oxygen and carbon dioxide levels

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Another theory about Yawning is that yawning stretches the lungs and lung tissues, which increase heart rate, and feel more awake.

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So, is it contagious?

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There are two types of yawns classify by the experts

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A yawn that occurs in its own

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A yawn that occurs after seeing someone else do.

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A yawn that occurs Even a video or photos of people doing it can trigger a yawning session.

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A yawn that occurs Even a video or photos of people doing it can trigger a yawning session.

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Why do people yawn ??

Yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood.

Yawning help us to control our oxygen and carbon dioxide levels

Another theory about Yawning is that yawning stretches the lungs and lung tissues, which increase heart rate, and feel more awake.

So, is it contagious?

There are two types of yawns classify by the experts

A yawn that occurs in its own

Spontaneous yawning

A yawn that occurs after seeing someone else do.

Contagious yawning

A yawn that occurs Even a video or photos of people doing it can trigger a yawning session.

A yawn that occurs Even a video or photos of people doing it can trigger a yawning session.

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