Biology, 20.02.2020 03:59 jurnee77

A diagram of the digestive system is shown below.

What is the main function of the digestive system?
A.
to break down food into nutrients that can be circulated throughout the body
B.
to exchange oxygen and carbon dioxide gases within the body
C.
to send signals from one part of the body to other parts of the body
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A diagram of the digestive system is shown below.

What is the main function of the diges...