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Smile :)

    Hello students! Since there is a topic in the book called “Smile” I included this small article related to it. Please read the article and write a short opinion. Tell if you agree or disagree to what the article says. Because everyone in the class is going to read what you write, you can also tell your classmates if you share their opinion. Thanks,  have a good day!


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This article is about the facial laugh. For the typographical symbol, see smiley.

A Nepali woman smiles.

The presence of cheek dimples is controlled by a single gene.

A smile is a facial expression formed by flexing those muscles most notably near both ends of the mouth. The smile can also be found around the eyes (See ‘Duchenne smile’ below). Among humans, it is customarily an expression denoting pleasure, happiness, or amusement, but can also be an involuntary expression of anxiety, in which case it is known as a grimace. Cross-cultural studies have shown that smiling is used as a means of communicating emotions throughout the world.[1] Happiness is most often the motivating cause of a smile. Among animals, the exposure of teeth, which may bear a resemblance to a smile, is often used as a threat or warning display – known as a snarl – or a sign of submission. In chimpanzees, it can also be a sign of fear. The study of smiles is a part of gelotology, psychology, and linguistics, comprising various theories of affect, humor, and laughter.[2]

[edit] Historical background

Many biologists think the smile originated as a sign of fear. Primalogist Signe Preuschoft traces the smile back over 30 million years of evolution to a “fear grin” stemming from monkeys and apes who often used barely clenched teeth to portray to predators that they were harmless. Biologists believe the smile has evolved differently among species and especially among humans.

Biology is not the only academic discipline that interprets the smile. Those who study kinesics view the smile as an affect display. It can communicate feelings such as: love, happiness, pride, contempt, and embarrassment.

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