digestive
Digestive System.
it is an organ, it doesn't belong to any other organs in the body but it does belong to a system in the body the digestive system.
it belongs to the digestive system
Digestive System
what part of of organ system that the skin belong
The small intestine is part of the gastrointestinal system
The digestive system
digestive system
sensory organ aural system
The bones belong to the skeletal system.
The eyes belong to the Nervous system.