Digestive System
Journey of Food
Respiratory System
Breathing In & Out
Mixed Up Science
100

This is the main job of the digestive system.

What is break down food so the body can absorb nutrients?

100

This is where digestion begins.

What is the mouth?

100

This is the main organ of the respiratory system.

What is the lungs?

100

This is what it's called when you breathe air into your lungs. 

What is inhaling?

100

The smallest parts of your body are called this.

What are cells?

200
This organ churns food and mixes it with digestive juices.

What is the stomach?

200

This is what your teeth do to help digestion?

What is break it down into smaller bits by chewing?

200

This is the name of the windpipe that carries air to your lungs.

What is the trachea?

200

This is what it's called when you breathe air out of your lungs. 

What is exhaling?

200

Cells form groups called this.

What are tissues?

300

This is the name of the tube that connects the mouth to the stomach.

What is the esophagus?

300

This is the average length of the small intestine in an adult. 

What is 7 meters?

300

This is the gas from air that your body needs. 

What is oxygen?

300

This happens to your chest when you take a deep breath in.

What is it expands or rises?

300

Cows have this many stomachs.

What is four?

400

This organ absorbs the most nutrients from digested food.

What is the small intestine?

400

This is the correct order of the organs in the digestive system.

What is the esophagus, stomach, small intestine, colon (large intestine)?

400

This waste gas is produced by your cells.

What is carbon dioxide?

400

This is the muscle below the lungs that helps with breathing.

What is the diaphragm?

400

This happens to the wastes produced by your respiratory system.

What is you breathe them out?

500

This organ removes water from the remaining waste at the end of digestion.

What is the colon (or large intestine)?

500

This liquid in the mouth moistens food and helps begin digestion.

What is saliva?

500
This organ is NOT part of the respiratory system. (lungs, trachea, or liver)

What is the liver?

500

Your respiratory system uses these two things to make energy.

What is oxygen and nutrients?

500

True or False: the small intestine is longer than the large intestine.

What is true?

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