Chapter 3

Question 1

Enterocytes

Answer 1

cells lining the wall of the intestine

Question 2

Tissues

Answer 2

Grouping of like cells that performs a function (ex. muscle tissue)

Question 3

Organ

Answer 3

Body structure composed of two or more tissues and performing a specific function (ex esophagus)

Question 4

System

Answer 4

group of organs that work together performing a unique function (ex gastrointestinal)

Question 5

Hormones

Answer 5

proteins or lipids–chemical messenger in bloodstream–regulate physiologic processes at sites distant from the glands that secrete them

Question 6

Gastrointestinal tract (GI)

Answer 6

long, muscular tube–mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum

Question 7

Sphincter

Answer 7

Tight ring of muscle seperating some organs of GI tract

Question 8

Accessory organs of digestion

Answer 8

Salivary glands, liver, gallbladder, pancreas

Question 9

Cephalic phase

Answer 9

earliest phase of digestion in which the brain things about and prepare for consumption of food

Question 10

Saliva

Answer 10

water, mucus, enzymes which begin digestion of carbohydrates

Question 11

Enzymes

Answer 11

small chemicals, usually proteins that speed up body processes, but not apparently changed during those processes.

Question 12

Entric Nervous System

Answer 12

autonomic nerves in the walls of the GI tract