What gas do we breathe in?
We breathe inn oxygen.
What gas do we breathe out?
We breathe out carbon dioxide.
Where do your lungs sit?
Your lungs sit inside your chest, protected by your ribs.
Describe the lungs' appearance.
Lungs are soft, pink and spongy.
What do we call the small tubes inside the lungs?
They are called bronchioles.
What are the air sacs at the end of the bronchioles called?
They are called alveoli.
What carries oxygen to every single part of your body?
The red blood cells carry oxygen to every single part of your body.
When you breathe in, does your diaphragm move up or down?
Your diaphragm moves down to make space for the lungs to fill with air.
When you breathe out, does your diaphragm move up or down?
Your diaphragm moves up, and your lungs push air out.
How do the lungs and heart work together?
The heart sends blood to the lungs to get oxygen. Then it pumps that oxygen-rich blood to the rest of your body
How many times do you breathe per day?
You breathe about 22,000 times a day
