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Three
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100

One of two places where air enters your body. Has little hairs in it to make boogies. 

Nose

100

When you inhale and then exhale, you are _________.

Breathing

100

The common name for the trachea. 

Windpipe

100

One of two places where air enters the body. Also share this place with your digestive system. 

Mouth

200

What do we breathe? Can be clean, dirty, cold, hot. 

Air

200

You do this when something irritates your nose. Bless you. 

Sneeze

200

Fish have these instead of lungs. 

Gills.

200

You do this when something irritates your diaphragm. Swallowing too much air when drinking. 

Hiccup

300
What do we call it when we breathe out?

Exhale

300

A gas that you breathe out. 

Carbon Dioxide

300

This is the gas that we breathe in. 

Oxygen

300

Two tubes that connect the trachea to the lungs. 

Bronchi

400

You do this when you don't get enough oxygen to your blood. 

Yawn

400

This is the muscle that sits below your lungs. When it contracts, your chest expands to allow oxygen in and relaxes to release carbon dioxide.

Diaphragm.

400

You o this when something irritates your trachea or bronchi. 

Cough

400

You get this when the bronchioles (little branches in your lungs) are inflamed. Remember the suffix that means inflamed. 

Bronchitis

500
What is the scientific name for your windpipe?

Trachea

500

The organs that are responsible for bringing oxygen into your blood.

Lungs

500

When we exhale, we breathe this plus carbon dioxide. 

Water vapor

500

These are the little grape-like (orbeez) sacks in your lungs that help with the release of oxygen into your blood. 

Alveoli

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