BJU Science 4 Chpt. 11 test review

What are the squeezing movements made by the esophagus muscles as food moves to the stomach?

• A. peristalsis

• B. enzymes

• C. sphincters

What is the liquidlike mixture of food formed when the juices in the stomach break down swallowed food?

• saliva

• bile

• chyme

What is the name of the flap of tissue that closes to keep food out of the trachea?

• esophagus

• epiglottis

• sphincter

How do the teeth help in digestion?

• make food soft and wet

• tear and crush food to help break it down

• push food around inside the mouth

What is one way that the tongue helps in digestion?

• provides stored energy and helps insulate the body

• breaks down food for digestion

• pushes small ball of food toward the back of the throat to be swallowed

What is one of the jobs that saliva has in digestion?

• A. breaks down food for digestion

• B. helps break down food into chyme

• C. pushes food around inside the mouth

What is one way that the gastric juices help in digestion?

• help the stomach break down food

• react to chemicals in the food

• build and repair the body

Tags

NGSS.MS-LS1-7

What digestive organ produces insulin and makes enzymes that break down food into nutrients that can be absorbed?

• gallbladder

• pancreas

• small intestine

What organ stores excess bile from the liver and releases it when needed?

• gallbladder

• pancreas

• large intestine

What organ produces bile and filters poison and wastes from the blood?

• gallbladder

• liver

• small intestine