Heart & Blood
Breathing
Eating Food
Brain and Senses
Bones and Muscles
100

This fluid brings food and oxygen to the parts of the body.

What is blood?

100

In every exhale, we get rid of this waste.

What is carbon dioxide?

100

The watery fluid in your mouth.

What is saliva?

100

These are stories and images that our mind creates while we sleep.

What are dreams?

100

This tissue gives structure to the body.

What are bones?

200
This organ pumps blood through the body.

What is the heart?

200

The person who lives to 80 will take about 672,768,000 of these in a lifetime.

What are breaths?

200

This organ is longer than its counterpart even though its name suggests it might be smaller. 

What is the small intestine?

200

The brain is hard at work, even during this restful time.

What is sleeping?

200

This tissue connects to bones or tendons and allows us to move.

What are muscles?

300

These tubes carry blood to and from the heart.

What are veins and arteries?

300

The diaphragm, the muscle that makes you breathe, spasms or jumps causing these funny sounds.

What are hiccups?

300

This tube connects your mouth to your stomach.

What is the esophagus?

300

If you bump your head too hard, your brain might hit your skull causing this type of injury.

What is a concussion?

300

The smallest bones in the body are found here.

What is inside the ear or inner ear?

400

You can count this by feeling a certain place on your wrist or neck.

What is the heart rate or heart beats?

400

We breathe in this element and it gets transferred to the blood in the lungs. 

What is oxygen?

400

This is the most important and first step in digestion.

What is chewing?

400

This long cord allows messages from your brain to reach the rest of your body.

What is the spinal cord?

400

This is the strongest muscle in your body.

What is the jaw muscle?

500

The human heart has this many chambers or areas where blood is moved with every heart beat. 

What are four?

500

This is the scientific name for the windpipe.

What is the trachea?

500

This organ, in the shape of a bag, mixes your chewed food with acid and other enzymes.

What is the stomach?

500

This is the opening in your eye that opens and closes to let light in.

What is the pupil?

500

Blood is made here.

What is bone marrow (or inside the bones)?

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