In chemistry you learned about open and closed systems. Which of the following is a true statement about the human body. O A. The human body is a closed system because matter and energy move from one part of the body to another.
OB. The human body is an open system because you need to take in air and food for the body to function.
OC. The human body is a closed system because normally the organs, tissues, and cells are all internal to the body.
D. The human body is an open system because the circulatory system moves food around from one part of the body to another.