Digestion System

6

Tags

NGSS.MS-LS1-3

what is stored in 5

5

Tags

NGSS.MS-LS1-3

4

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

What is the main purpose of the digestive system?

• To fight of diseases

• To regenerate cells

• To distribute energy throughout the body

• To break down food

True or False: The digestive system is about 20 to 30 feet long.

• True

• False

How does food travel from the mouth to the stomach?

• Food goes down the windpipe

• Throat muscles push down food

• Food falls down the smooth muscles of the espohagus

• The hatch door releases and lets food inside the stomach

The small intestine has fluids from which two organs to help continue to break down food?

• Brain and Spinal Chord

• Appendix and Kidneys

• Liver and Pancreas

• Stomach and Heart

What type of proteins does saliva have that helps break down starchy foods?

• Collagen

• Hemoglobin

• Enzymes

• Insulin

The chewing and grinding of food into smaller pieces is an example of...

• Mechanical Digestion

• Chemical Digestion