Question

Which of the following statements is true?

a.Mechanical digestion only occurs in the mouth; chemical digestion only occurs in the stomach.
b.Mechanical and chemical digestion both occur in the mouth and in the stomach.
c.Mechanical digestion only occurs in the stomach; chemical digestion only occurs in the mouth.
d.Mechanical and chemical digestion occur in the mouth; chemical digestion, but not mechanical digestion, occurs in the stomach.

Answer 1

respuesta número tres

Answer 2

Answer: Option D.

Mechanical and chemical digestion occur in the mouth but only chemical digestion occur in the stomach.

Step-by-step explanation:

Digestion is the breakdown of larger food particles into smaller ones that can be absorb by the body and pass out the waste product or undigested food. There are two methods digestion occurs in the body and they are; mechanical and chemical digestion.

Mechanical digestion is the physical breakdown of food into smaller pieces. It begins in the mouth when food are chewed.

Chemical digestion involves the breakdown of food into nutrients. This begin in the mouth when food is mixed with saliva and it continue in the stomach where enzymes act on the food.