Question

1. the physical and chemical breakdown of foods is known as: defecation agglutination digestion secretion

Explanation:

Digestion involves both physical (such as chewing) and chemical (action of enzymes) breakdown of food to make nutrients available for absorption. Defecation is the elimination of undigested waste. Agglutination is a clumping - like process, often in immunology. Secretion is the release of substances by cells or glands.

Answer:

C. Digestion