Ch. 5 Digestive System

Question 1

4 functions of digestive system

Answer 1

ingestion, digestion, absorption, elimination

Question 2

pharynx

Answer 2

throat (5 inches long) which serves as passage way for air from the nose and food form the mouth.

Question 3

deglutition

Answer 3

swallowing

Question 4

parts of the stomach

Answer 4

(begins at lower esophageal sphincter) fundus, body, antrum (ends at the pyloric sphincter)

Question 5

parts of the small intestines

Answer 5

(extends for 20 ft. from pyloric sphincter to large intestine) duodenum (1 ft.), jejunum (8 ft.), ileum (11 ft.)

Question 6

parts of the large intestines

Answer 6

ascending, transverse, descending, and sigmoid colon (holds waste material and absorbs water)

Question 7

liver

Answer 7

(RUQ) produces bile which contains cholesterol, bile acids, and pigments (like bilirubin)

Question 8

bilirubin

Answer 8

the product of broken down hemoglobin during normal rbc destruction (this is converted to a water-soluble form which is broken down by bacteria in the colon and makes feces look brown)