A smile is a face made by flexing the muscles near both ends of the mouth. The smile can also be made through the eyes (See 'Duchenne smile' below). Smiles usually express happiness. A smile can be natural or fake. However, smiling can be different with animals. When smiling, the teeth shows, but sometimes animals do this when they are threatening. When chimpanzees show their teeth, it can also be a sign of fear.
Smile | a face made by flexing the muscles near both ends of the mouth
Questions and Answers
Q: What is a smile?
A: A smile is a facial expression made by flexing the muscles near both ends of the mouth.
Q: What does a smile usually express?
A: Smiles usually express happiness.
Q: Can smiles be natural or fake?
A: Yes, smiles can be natural or fake.
Q: How do animals show their teeth when smiling?
A: When smiling, animals will often show their teeth. However, sometimes this can also be a sign of aggression or fear in animals such as chimpanzees.
Q: Is there another type of smile besides the one made with the mouth?
A: Yes, there is also the 'Duchenne smile' which is made through the eyes and not just with the mouth.
Q: Are all smiles expressions of happiness?
A: Not necessarily - while most smiles are expressions of happiness, some may be used to mask other emotions such as sadness or anger.