The human face is a complex and highly distinct part of the body. In fact, it is one of the most complex signaling systems available to us; It includes more than 40 structurally and functionally independent muscles, each of which can be operated independently of the other; It is one of the strongest indicators of emotion.
The human face is a complex and highly distinct part of the body. In fact, it is one of the most complex signaling systems available to us; It includes more than 40 structurally and functionally independent muscles, each of which can be operated independently of the other; It is one of the strongest indicators of emotion.