Question

which part of the mouth carries out each function? breaks down carbohydrates into sugars: cuts up food into smaller pieces: teeth saliva teeth and saliva

Explanation:

For "breaks down carbohydrates into sugars"

Saliva contains enzymes (like amylase) that break down carbohydrates into simpler sugars. Teeth are for mechanical breakdown, not chemical breakdown of carbs into sugars. So saliva is responsible here.

Teeth are used to physically cut, chew, and grind food into smaller pieces. Saliva is for chemical digestion, not mechanical cutting. So teeth do this function.

Answer:

saliva

For "cuts up food into smaller pieces"