Question

on: digestive system click on the diagram and describe each part of the digestive system 21. mouth: ____________

Explanation:

The mouth is the starting - point of the digestive system. It mechanically breaks down food through chewing (mastication) and saliva begins the chemical breakdown of carbohydrates. Saliva also moistens food to make it easier to swallow.

Answer:

The mouth is the initial part of the digestive system. It mechanically breaks down food by chewing and saliva starts the chemical digestion of carbohydrates while also moistening the food for easier swallowing.