Circulatory System
The genitourinary system.
The digestive system contains the liver.
The olfactory system.
Digestive system.
the digestive system
skeletal system
Circulatory System.
The digestive system contains the small intestine. It is a vital organ for nutrient absorption in the body.
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
The Muscular-Skeletal System.