Introduction to Human Body Systems
The internal organs and structures of the body fit together to make a complex, living whole.
All organisms on this earth are equipped with a complete network of different organs which work in harmony. These networks are known as systems. The human body is mechanized with several systems. Many systems are involved to perform particular functions. These functions assure the proper functioning and mobility of the human body.
The skeletal system sets the framework of the body and its mobility depends on the muscular system. The communication of the body network is performed by the nervous system. Food is taken in and digested to produce energy by the digestive system.

Circulatory System

Muscular System

Nervous System

Digestive System

Skeletal System
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