Chapter 3 Key Terms

Question 1

digestive tract

Answer 1

long, hollow tube that starts at the pharynx and ends at the anus

Question 2

duodenum

Answer 2

first part of the small intestine

Question 3

esophagus

Answer 3

tubular structure that carries food from the pharynx to the stomach

Question 4

gastroenterologist

Answer 4

physician who specializes in the study and treatment of the digestive system

Question 5

gastroenterology

Answer 5

study of the digestive system

Question 6

ileum

Answer 6

final and longest part of the small intestine

Question 7

jejunum

Answer 7

middle portion of the small intestine

Question 8

pharynx

Answer 8

throat

Question 9

rectum

Answer 9

last part of the large intestine leading to the anus

Question 10

sigmoid

Answer 10

S-shaped section of the large intestine

Question 11

small intestine

Answer 11

long, narrow, folded tube that extends from the stomach to the large intestine; the site of chemical digestion and the absorption of food

Question 12

stomach

Answer 12

an expandable organ that stores and breaks down food; located between the esophagus and small intestine