Describe how the accessory organs of the mouth - tongue, teeth, and saliva - aid in both MECHANICAL and CHEMICAL digestion.

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Explanation:

In terms of mechanical digestion, the teeth provide grinding and tearing motion to break down the food into physically smaller pieces the tongue assists the teeth by moving itself and food around the mouth. In terms of chemical digestion, salivary glands in the back of the tongue and the lower mouth release saliva as a method of adding liquid to the food to help the process of swallowing. In addition, saliva contains the enzyme amylase which helps process some starches into more simple sugars.