Question

Which of the following statements about animal digestion is true?

a) Digestion occurs only in the stomach.
b) Absorption happens in the mouth.
c) Nutrient breakdown is not essential for energy release.
d) Digestive enzymes are produced by the liver.

Answer 1

Absorption happens in the mouth. In the mouth, mechanical and chemical digestion begin with the breakdown of carbohydrates by enzymes like amylase, maltase, and lactase. Absorption of nutrients primarily occurs in the small intestine.The correct statement about animal digestion is b) Absorption happens in the mouth.

Step-by-step explanation:

The correct statement about animal digestion is b) Absorption happens in the mouth. In the mouth, mechanical and chemical digestion begin with the breakdown of carbohydrates by enzymes like amylase, maltase, and lactase. Absorption of nutrients, however, primarily occurs in the small intestine, where digested molecules are absorbed by villi.