The main function of the human digestive system is to
break down foods for absorption into the blood exchange oxygen and carbon dioxide in the lungs release energy from sugars within the cells carry nutrients to all parts of the body
Question: The main function of the human digestive system is to
A. break down foods for absorption into the blood
B. exchange oxygen and carbon dioxide in the lungs
C. release energy from sugars within the cells
D. carry nutrients to all parts of the body
Answer: