Breathing
When you breathe in air, you bring oxygen into your lungs and blow out:
Carbon Dioxide
What is the name of the tiny air sacs in your lungs?
Alveoli
What is another word for "breathe in"
Inhale
As you breathe, this part of the body contracts and flattens to give your lungs room to fill up with air:
Diaphragm
_________ is not good for your lungs.
Smoking
What are the name of the smaller tubes?
Bronchioles
What is another word for "breathe out"
Exhale
Where does the air go after it enters your nose or mouth?
Trachea
When you inhale oxygen, your lungs do what?
Expand
The trachea breaks into two _______ which lead air into the lungs.
Bronchi