skeletal system
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.
The Femur belongs to the skelital and the circulatory system because new red blood cells are formed in the marrow of the femur.
The olfactory system.
Digestive system.
the digestive system
Circulatory 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