Lesson 3: Supplying Energy

Why do we need food to break apart the food we eat?

• So it can fit into our stomachs

• So our bodies can use the nutrients from the food

• So liquids can be separated from solids

• So that our bodies' enzymes have something to do.

Tags

NGSS.MS-LS1-7

Chewing is an example of what type of digestion?

• Dental

• Fragmentary

• Chemical

• Mechanical

If you wanted to find the glands that produce salivary amylase, where would you look?

• In your mouth

• In your throat

• In your intestines

• In your stomach

Place the following events in sequence: A) Food enters your large intestines

B) Food enters your small intestines

C) Food enters your esophagus

• A, B, C

• C, B, A

• C, A, B

• B, A, C

Tags

NGSS.MS-LS1-7

What is the main function of villi?

• They move food from the stomach to the small intestine

• They absorb nutrients into the bloodstream

• They absorb water from chyme

• They move food from the small intestine to the large intestine

What breaks food into smaller pieces?

• mouth
• tongue
• teeth
• large intestine

Where does digestion begin?

• in the stomach
• in the mouth
• in the esophagus
• in the small intestine

Tags

NGSS.MS-LS1-7

What makes food wet and soft?

• teeth
• tongue
• saliva
• esophagus

What is the muscular tube that pushes food from the mouth the to stomach?

• tongue
• esophagus
• small intestine
• large intestine

The ______________ is where food is mixed with juices and is squeezed and churned until it becomes a thick liquid. 

• esophagus
• stomach
• small intestine
• large intestine

Tags

NGSS.MS-LS1-7