Human Organ Systems
Gastrointestinal. Urinary. Musculoskeletal. Nervous. Reproductive. Immune. An organ system is a group of organs that work together to perform a complex function. There are eleven organ systems in the human body. All of these are required for survival, either of the person or of the species.
1 Circulatory System. The main function of the circulatory system is to transport nutrients … 2 Digestive System. The digestive system breaks down food polymers into smaller molecules … 3 Endocrine System. The endocrine system regulates vital processes in the body including growth, …
Each group of organs has a different complex function, such as movement, breathing, or digestion. In some cases, one organ system works closely with another on a particular task. For example, the endocrine system interacts with the gastrointestinal system to control digestion.