Which Statement Regarding Organ Systems Is False

Which statement regarding organ systems is false?

A) Organ systems work together with other organ systems in the body to maintain life.
B) Physiologists study how organ systems function.
C) The digestive system includes the heart and the small intestine.
D) The digestive system is made up of muscle,epithelial,connective,and nervous tissues.
E) Organ systems work together to maintain a stable internal environment.