Digestive System

The breakdown of food molecules is called:

• digestion
• ingestion
• absorption
• defecation

Tags

NGSS.MS-LS1-7

The process of eating and drinking is called:

• digestion
• ingestion
• absorption
• defication

the process of eliminating indigestible or absorbed material from the anus is called:

• digestion
• ingestion
• absorption
• defecation

the process where food molecules move from GI tract into blood, then into body cells is called:

• digestion
• ingestion
• absorption
• defecation

The GI tract wall has how many layers?

• 1
• 2
• 3
• 4

The inner most layer of the GI tract that secretes mucus:

• mucosa
• submucosa
• muscle layer
• serosa

The layer of the GI tract that contains blood vessels, nerves, and glands:

• mucosa
• submucosa
• muscle layer
• serosa

What is the outermost layer of the GI tract?

• mucosa
• submucosa
• muscle layer
• serosa

How many layers of smooth muscle are found in the walls of the GI tract

• 1
• 2
• 3
• 4

A small round mass of chewed food is called"

• bolus
• chyme
• stool
• serosa