Math, asked by adarshraj55555a, 10 months ago

what is smile??? plzz answer me.....

Answers

Answered by shivam120719

A smile is formed primarily by flexing the muscles at the sides of the mouth. Some smiles include a contraction of the muscles at the corner of the eyes, an action known as a Duchenne smile. Among humans, smiling is an expression denoting pleasure, sociability, happiness, joy or amusement

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