39. Digestive System

Which food items are typical of an herbivorous diet?

Which of the following is acquired outside of an animal's diet?

Animals need two types of organic precursors from their food, __________, to serve as the raw materials for the synthesis of larger organic molecules.

A breakfast cereal advertises that it contains essential vitamins and minerals. In this context, the word essential means __________.

Fat digestion yields fatty acids and glycerol. Protein digestion yields amino acids. Both digestive processesa. 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. a. b. c. d. e. f. g. h. i. j. k. l.

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.. a. Microvilli b. Mucosa c. Muscularis d. Sub-serous layer e. Serosa

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.