Name That Organ!
Body Systems
Vocabulary
What if?
Gross but True
100

This organ pumps blood through your body.

What is the heart?

100

This system moves blood through your body.

What is the circulatory system?

100

The bones in your chest that protect your heart and lungs.

What are ribs?

100

What happens if you don’t brush your teeth?

You can get cavities.

100

Your mouth makes this every day to help you chew and swallow.

What is saliva?

200

This organ helps you breathe in oxygen and breathe out carbon dioxide.

What are the lungs?

200

This system includes your skin, hair, and nails.

What is the integumentary system?

200

The red liquid that flows through your body.

What is blood?

200

What happens if your skin gets cut and isn’t cleaned?

It can get infected.

200

Your intestines are about this long if stretched out.

What is over 20 feet?

300

This organ is where nutrients are absorbed after food is digested.

What is the small intestine?

300

This system protects you from germs and diseases.

What is the immune system?

300

The stretchy part inside your nose that helps you smell.

What are smell receptors?

300

What would happen if your stomach wasn't lined with mucus?

The acid would damage your stomach.

300

This yellowish liquid is the main part of your blood.

What is plasma?

400

This organ controls the whole body and is protected by the skull.

What is the brain?

400

This system includes the brain, spinal cord, and nerves.

What is the nervous system?

400

The long tube that carries air from your throat to your lungs.

What is the windpipe or trachea?

400

What happens if your skin doesn't produce enough oil?

Your skin gets dry and can crack.

400

This happens when your diaphragm suddenly contracts.

What is a hiccup?

500

These bean-shaped organs filter your blood and make urine.

What are the kidneys?

500

This system takes in oxygen and gets rid of carbon dioxide.

What is the respiratory system?

500

The part of your brain that controls things like breathing and heartbeat.

What is the brainstem?

500

What happens if oxygen doesn’t get to your cells?

Your body won’t have energy and organs will start to shut down.

500

You shed about this many skin cells every minute.

What is 400,000?