The genitourinary system.
The digestive system contains the liver.
Circulatory System
The digestive system contains the small intestine. It is a vital organ for nutrient absorption in the body.
skeletal system
Digestive system.
the digestive system
Circulatory System.
The olfactory system.
The eye contains the Retina
The skin is part of the Integumentary System, and is the largest organ in the body.
The integumentary system (which also includes hair and nails).Integumentary System