The Digestive System and also the Respiratory System.
Your body does this.
Gastro intestinal tract /systemThe digestive system.
the heart contains the septum
Digestive system.
Digestive system.
Yes, the mouth is an organ. It is part of the digestive system.
The genitourinary system.
The digestive system contains the liver.
Circulatory System
digestive system
skeletal system
the digestive system
The olfactory system.
Circulatory System.