Question

During digestion, what happens in the stomach?

A. All food molecules are broken down into smaller molecules by chemical reactions.

B. Some types of food molecules are broken down into smaller molecules by chemical reactions.

C. Water in the food passes into the blood and travels to other organs where it is used.

D. Food passes into the blood and travels to other organs where it is used in various reactions.

Answer 1

A

Step-by-step explanation:

Answer 2

A

Step-by-step explanation:

Food is digested in the stomach for several hours. During this time, a stomach enzyme called pepsin breaks down most of the protein in the food. The pancreas and gland cells of the small intestine secrete digestive enzymes that chemically break down complex food molecules into simpler ones.