39. Digestive System

Gallstone surgery sometimes requires that the gallbladder be removed. Patients are then advised to avoid ingesting large amounts of fat because __________.

Which of the following animals rely on symbiotic relationships with bacteria to obtain nutrients?

How would you expect the digestive system of a hawk to compare with that of a seed-eating sparrow?

Where does absorption take place in the small intestine?

Researchers provided radioactively labeled food to a dog and traced the movement of absorbed molecules. Which type of molecule moved along a path different from all the others?

The lymphatic vessels in the villi absorb and transport __________.

During some types of antibiotic treatments, patients often experience diarrhea because __________.

Symbiotic bacteria living in our large intestines provide us with __________.

What relation do indigestible plant fibers, prokaryotes, and vitamins have with the digestive system?

Which of the following is an adaptation to a carnivorous diet?

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.

The mammalian trachea and esophagus both connect to thea. pharynx.b. stomach.c. large intestine.d. rectum.