Break down to release of energy
I believe the first answer is #4 and the second is #1. Please correct me if I am wrong.
Answer:
Regions of the digestive system can be divided into two main parts: the alimentary tract and accessory organs.
the alimentary tract and accessory organs.
Explanation:
<em><u>hope </u></em><em><u>it </u></em><em><u>helps </u></em><em><u>^</u></em><em><u>^</u></em>