39. Digestive System

Fat digestion yields fatty acids and glycerol. Protein digestion yields amino acids. Both digestive processes

a. Occur inside cells in most animals

b. Add a water molecule to break bonds

c. Require a low pH resulting from HCl production

d. Consume ATP

Label the parts of the human digestive system below and indicate the functions of these organs and glands.

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There are several key concepts introduced in this chapter: Structure correlates with function; an animal's body has a hierarchy of organization with emergent properties at each level; and complex bodies have structural adaptations that increase surface area for exchange. Label the tissue layers shown in this section of the small intestine, and describe how this diagram illustrates these three concepts.

Calculate and compare the caloric content of skim milk and whole milk. Per serving, skim milk contains 12 g carbohydrates, 8 g protein, and no fat; whole milk contains 12 g carbohydrates, 8 g protein, and 8 g fat.