Digestive System

Question 1

Digestion

Answer 1

The process by which the body breaks down food into small nutrient molecules.

Question 2

Absorption

Answer 2

The process by which nutrients pass from the digestive system into the blood.

Question 3

Epiglottis

Answer 3

A flap of tissue that seals off the windpipe and prevents food from entering.

Question 4

Esophagus

Answer 4

A muscular tube that connects the mouth to the stomach.

Question 5

Peristalsis

Answer 5

Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.

Question 6

Stomach

Answer 6

A J-shaped, muscular pouch located in the abdomen where most physical digestion takes place.

Question 7

Small intestine

Answer 7

The part of the digestive system in which most chemical digestion takes place.

Question 8

Liver

Answer 8

The body’s largest organ; it produces bile, breaks down medicines, and helps eliminate nitrogen from the body.

Question 9

Large intestine

Answer 9

The last section of the digestive system, where water is absorbed into the blood and the remaining material is eliminated from the body.

Question 10

Rectum

Answer 10

The end of the large intestine where waste material is compressed into a solid form before being eliminated.