Science, asked by harshini9554, 11 months ago

how would we smile ??​

Answers

Answered by Anonymous
2

Answer:

Talk to u true friend.

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Answered by mehulsukhwal109
1

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, a smile expresses pleasure, sociability, happiness, joy or amusement.

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