The document discusses four reasons why people smile: 1) It's funny, when finding humor in something. Smiles often occur when watching comedy movies. 2) It's out of the ordinary, produced when something is so shocking that a smile responds. 3) It's welcoming, as smiles can signal friendliness. 4) It's exciting, like when learning of unexpected good news, which can elicit a smile. The document is authored by Altaf Gemmooth and explores different triggers that cause people to smile.

1. Why Do We Smile?! By: Altaf Gemmooth Student ID : 16735284 By: Altaf Gemmooth 06/10/09

2. Four Reasons Why Do We Smile: By: Altaf Gemmooth 1-Its funny. 2-Its out of the ordinary. 3-Its welcoming. 4-Its exciting. 06/10/09

3. Its Funny! . By: Altaf Gemmooth A common type of smile, is when we find humor in something. Simply, when something is funny to us. Comedy movies can be a common source for producing such smiles 06/10/09

4. By: Altaf Gemmooth Its out of the ordinary This kind of smiles, are produced when something is so off-the-wall that we must smile at its shocking ness. 06/10/09

5. By: Altaf Gemmooth It's Exciting Think about your reaction when someone tells you “You have won a one million dollars!” 06/10/09

6. You are more than welcome to ask any questions. By: Altaf Gemmooth 06/10/09