Question

Which best describes the physical and chemical digestion of food?

Answer 1

Physical and chemical digestion occur in the mouth; only chemical digestion occurs in the small intestine. Step-by-step explanation:

Answer 2

Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates