Why Do We Yawn?
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Video Transcript
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“Have you ever noticed… when one person yawns, suddenly everyone starts yawning?
😮 But have you ever asked—why do we actually yawn?” “Hey everyone,
welcome back to the channel! I’m , and on this channel we explain science
in the simplest way possible—no boring stuff, only real logic.” “So,
many people think yawning happens because we’re sleepy or bored. But science says…
that’s only half the truth.” “When we yawn, we take a deep breath, bringing more oxygen
into our lungs. This helps cool down our brain, making it work better.” “Studies show that
yawning happens more when the brain temperature rises. So yawning is actually your brain saying—
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