The human body plays a vital role in having a great big part on human beings. It is important to know the part that composes the body system, and all its function for you to have an idea on how you are going to take care of it. There are 11 body systems and every part has its functions.
- 1. Circulatory System – composed of the heart and. The main function of the circulatory system is to pump the blood throughout the blood vessels. The blood circulates around body in order to supply oxygen.More Link