There are two of each of these — one for each arm. The skeletal system’s main function is to provide support for the body. For example, the spinal column provides support for the head and torso.

The film explores the muscular system of the human body, detailing the roles and functions of the three types of muscles: skeletal, smooth, and cardiac. Skeletal muscles, which are voluntary and ...

The skeletal system gives the body its basic framework ... and release hormones necessary for bodily functions. Unlike other living organs, bones are firm and strong, but they have their own ...