Question

identifying functions of the digestive system
name the three structures of the mouth that aid in digestion.
starts an involuntary
when it senses food.
squeezes food down the
by an involuntary synchronized
ent called peristalsis
eaten digested in the stomach
to a thick liquid called chyme
done

Explanation:

The mouth has several structures that contribute to the initial stages of digestion. Teeth physically break down food through chewing (mastication). The tongue helps in manipulating food for chewing and also mixes it with saliva. Salivary glands secrete saliva which contains enzymes like amylase that start the chemical - breakdown of carbohydrates.

Answer:

Teeth, tongue, salivary glands