Facial expressions are when you describe the emotions of a dance with your face.x

There are some studies that suggest that our facial expressions are inherited, witness that facial expressions of the blind from birth, who also smile and frown.

http://www.answers.com/topic/facial-expression

Yes, the amygdala is involved with our emotions which are often reflected by facial expressions.

• Facial expressions in drama are sadness; anger; happiness; horror; shame; love and pondering (in thought.)

faical expressions are feelings of emotions. they are what people say mixed emotions. not all facial expressions are universal.