Question

What is called Smile?

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Answer 1

Answer:

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A smile is formed primarily by flexing the muscles at the sides of the mouth. ... Among humans, a smile expresses delight, sociability, happiness, joy or amusement. It is distinct from a similar but usually involuntary expression of anxiety known as a grimace.

Answer 2

Answer:

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 delight, sociability, happiness, joy or amusement.always be happy dear...