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Mystery #2Tier 2the body / skin

Why do your cheeks flush bright red when you feel embarrassed?

You say the wrong name in front of the whole class, and within seconds your face is burning hot and glowing red. You did not run anywhere or stand in the sun. You cannot make it happen on purpose, and you certainly cannot stop it. Why do your cheeks light up like a warning lamp the moment you feel embarrassed?

A young woman covering her mouth and smiling bashfully, caught in an embarrassed moment.
Photo: Valerie Hinojosa · CC BY-SA 2.0 · via Wikimedia Commons

Your guess

What do you think is making your cheeks turn red?

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