Which of the following is true about our body's system? a The skeletal system sends messages to the body
b Blood cells are pat of the nervous system
c The digestive system helps carbon dioxide leave the body through the lungs
d The digestive systems helps break down food into energy

D. The digestive system helps break down food into energy.

Explanation:

Hope this helps! I am 100% certain that this is the correct answer.

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.