The Gastrointestinal System - Major Organs of the GI System Part 3

Question 1

The stomach can hold more than ____ at a time

Answer 1

one quart

Question 2

Overeating can make the stomach ____, causing discomfort that takes a while to wear off

Answer 2

push against the diaphragm

Question 3

Food stays in the stomach for about ____

Answer 3

three hours

Question 4

What are the three layers of muscle in the stomach?

Answer 4

longitudinal, oblique, and circular

Question 5

The three layers of muscle in the stomach allow it to contort and twist to mechanically ____

Answer 5

break food apart

Question 6

As the food is churned about, two sphincters prevent the food from ____

Answer 6

spilling out from either end of the stomach

Question 7

The ____ prevents food from proceeding into the small intestine before the gastric process of digestion is complete

Answer 7

pyloric sphincter

Question 8

While the stomach churns the food, thousands of tiny glands in the mucous membranes of the stomach’s lining secrete gastric juices, including ____ and ____

Answer 8

pepsin and hydrochloric acid (HCl)

Question 9

These enzymes mix in with the churned food to form a soupy mixture called ____

Answer 9

chyme

Question 10

The pepsin breaks down ____, and hydrochloric acid maintains an acidic environment in the stomach that kills ____

Answer 10

proteins

bacteria

Question 11

Peristalsis of the stomach muscles forces the chyme to continue down the ____, through the ____, and into the ____

Answer 11

digestive tract, through the pyloric sphincter, and into the small intestine