Digestive System - Mechanical & Chemical Digestion

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

• Mechanical Digestion
• Chemical Digestion

Nutrients from digested food are absorbed in which digestive organ?

• Small Intestine
• Stomach
• Large Intestine
• Gallbladder

Tags

NGSS.MS-LS1-7

Gastric juices in the stomach digest food into a thick liquid.  This is...

• Mechanical digestion
• Chemical digestion

Tags

NGSS.MS-LS1-7

Enzymes (chemicals) in your saliva help break down food while chewing.  This is...

• Mechanical digestion
• Chemical digestion

Tags

NGSS.MS-LS1-7

The liquid inside the mouth that contains enzymes to begin digestion is called ____________.

• saliva
• salivary glands
• bile

The major function of having enzymes in our digestive system is ______________.

• to eliminate undigested food
• to absorb water in the intestine
• to speed up chemical reactions during digestion

The process with muscle contractions to move food through the digestive system is called ____________________.

• peristalsis
• pancreas
• saliva

_________________ is when the body breaks down food into small units of nutrients that can be absorbed and used for energy.

• digestion

• enzyme

• peristalsis

Tags

NGSS.MS-LS1-7

Which of the sequences best describes how a piece of chicken nugget is digested in the human body?

• mouth, esophagus, small intestine, large intestine, stomach

• mouth, stomach, small intestine, large intestine, esophagus

• mouth, esophagus, stomach, small intestine, large intestine

What is the function of the digestive system?

• To break down food
• To cool you down
• To help you breathe
• To pump blood through your body

Tags

NGSS.MS-LS1-7