50 POINTS Select the word or phrase that correctly completes the statements.
refers to the breakdown of food by enzymatic action. During , the teeth break down food into smaller pieces. During , enzymes break down food into molecules.
The options for the first one are metabolism, digestion, absorption, and excretion. The options for the second one are absorption, chemical digestion, physical digestion, and metabolism. The options for the last one are absorption, chemical digestion, physical digestion, and metabolism.