The muscles of human body are mainly composed of protein such as actin and globin. In addition, muscle also contains many minerals, such as calcium and phosphorus. The interaction of these components makes muscles contract and relax, thus completing various actions and movements.
It is worth noting that although the components of bones and muscles are different, they are very important to the normal physiological function and health of the human body. Therefore, it is very important to maintain adequate nutrition and proper exercise for maintaining the health of bones and muscles.