36) ________ increase(s) the surface area of the lining of the small intestine.

16) The ________ is the base, or floor, of the mouth.

45) ________ is/are varicose veins of the rectum.

41) Protein digestion begins in the ________.

31) Internally, most teeth are made up of what mineralized, bonelike substance?

52) Which of the following would most likely control an increase in gastric activity?

58) Food enters the mouth, an activity called ________, and is ________ by the actions of the teeth and tongue.

63) The ________ is composed of soft connective tissue and contains blood and lymph vessels, lymphatic tissue, and nerve endings.

49) ________ is characterized by small growths that contain a pedicle or footlike attachment in the mucous membranes of the colon.

47) ________ is inadequate absorption of nutrients from the intestinal tract. It is caused by a variety of diseases and disorders, such as infections and pancreatic deficiency.