The face has a complex web of muscles and tendons attached to the bone of the skull. Above the top jaw, there are no moving bones, so all movement has to be elicited by pulling muscles and tendons against static bone.
Body structure is the configuration of muscles, ligaments, tendons and bones that hold the body together.
Emotional fitness can be compared with physical fitness in many ways, including the ability to learn fitness in areas we are not currently fit in.
Our facial expressions help us show our feelings and improve communication, both of which contribute to emotional fitness.