Digestion Overview

Chewing food is an example of _____________.

• chemical digestion

• mechanical digestion

the act of eating food or drinking; the first stage of food processing 

• nutrition 
• ingestion 
• digestion 
• absorption 

Where does the first step of digestion take place?

• in the stomach.
• in the mouth.

mechanical and chemical breakdown of food into molecules small enough for absorption; the second stage of food processing 

• nutrition 
• ingestion 
• digestion 
• absorption 

Tags

NGSS.MS-LS1-7

uptake of small nutrient molecules; the third stage of food processing 

• nutrition 
• ingestion 
• digestion 
• absorption 

Chewing food with teeth is an example of a

• physical change
• chemical change

Changes the size, shape, or color of food:

• Mechanical digestion

• Chemical Digestion

Acids and enzymes are used in

• Mechanical digestion

• chemical digestion

During chemical digestion 

• only changes in size and shape occur
• a new substance is formed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is NOT a function of the Digestive System?

• To rid the body of solid waste
• Absorb nutrients for energy & growth
• Break down nutrients from food
• Pump blood around the body