tag:blogger.com,1999:blog-42575219435232121652024-03-13T23:31:15.419-07:00smileA smile is a facial expression formed by flexing the muscles near both ends of the mouth. The smile can also be found arround the eyes. Among humans, it is customarily an expression denoting pleasure, happiness, or amusement, but can also be involuntary expression of anxiety, in wich case it is known as a grimace.pak gunhttp://www.blogger.com/profile/01292942836675985629noreply@blogger.comBlogger0125