Why Do We Need Oxygen in the Air to Breathe?

We need oxygen in the air to help our bodies make energy. When we breathe in, our lungs take in oxygen. Our bodies use this oxygen to change food into energy, which keeps us active and healthy.

Example: Think of your favorite toy that needs batteries to work. Just like that, our bodies need oxygen to work and play!

Fun Fact: Trees produce oxygen, so they are very important for us to breathe!

Multiple Choice Questions:

1. Why is oxygen important for us?

a) It helps us sleep

b) It helps us eat

c) It helps us make energy

d) It helps us play games

2. Where does the oxygen we breathe come from?

a) From rocks

b) From the ocean

c) From trees and plants

d) From the sun

3. What happens if we don't have enough oxygen?

a) We can run fast

b) We feel tired and weak

c) We get hungry

d) We jump higher

4. How do we get oxygen into our bodies?

a) By drinking water

b) By eating food

c) By breathing air

d) By walking outside

5. Why do we breathe out carbon dioxide?

a) It's good for plants

b) It helps us think

c) It's fun to blow air out

d) It keeps us warm

More Links