Digesgtive System

What does mucus do in the stomach?

• Digests food in the mouth.
• Digests food in the stomach
• Protects the stomach from digesting iteself
• Absorbs nutrients from food so the body has energy.

What do the villi of the small intestine do?

• Digests food in the mouth.
• Digests food in the stomach
• Protects the stomach from digesting iteself
• They increase the surface area for food absorption into the blood.

What does saliva do in the mouth?

• It moistens and chemically digests food in the mouth .

• Chemically digests food in the stomach
• Protects the stomach from digesting iteself
• Absorbs nutrients from food so the body has energy.

What does stomach acid do?

• Chemically digests food in the mouth.
• Chemically digests food in the stomach
• Protects the stomach from digesting iteself
• Absorbs nutrients from food so the body has energy.

Tags

NGSS.MS-LS1-7

Where does digestion begin?

• Mouth
• Esophagus
• Stomach
• Small Intestine

Tags

NGSS.MS-LS1-7

What organ makes bile?

• Gallbladder
• Liver
• Pancreas
• Appendix

The process by which the body breaks down food so that it can be used for energy.

• composition
• digestion
• deposition
• absorption

Tags

NGSS.MS-LS1-7

A muscular tube that helps move food from the mouth to the stomach.

• esophagus
• trachaea
• small intestine
• gall bladder

Provides additional enzymes(pancreatic juice) to help nutrients get absorbed by the small intestine.

• liver
• kidneys
• gall bladder
• pancreas

The tube after the small intestine where the liquid is absorbed.

• large intestine
• small intestine
• rectum
• stomach