Knowledge and understanding
What happens to our chest when we breathe in?
chest moves up and out, and our lungs fill with air.
Zain has a fever and wears a mask while walking outside,Why?
It prevents germs from spreading and protects his lungs from getting infections.
Why do our lungs work faster when we run?
a) To make us tired
b) To get more oxygen for our muscles
c) To slow us down
d) To make us sleepy
To get more oxygen for our muscles
What happens to our chest when we breathe out?
When we breathe out, our chest moves down and in, and the air goes out of our lungs.
During a race, Sam felt short of breath. What are his lungs doing to help him?
During the race, Sam’s lungs are working harder to take in more oxygen and remove carbon dioxide from his body.
This gives his muscles the energy.
What should we avoid to keep our lungs healthy?
a) Fresh air
b) Dust and smoke
c) Clean rooms
d) Exercise
Dust and smoke
What happens if we breathe dirty air?
If we breathe dirty air, it can make our lungs weak and unhealthy.
Ahmed exercises every morning. How does exercise help his lungs stay healthy?
When he exercises, his lungs take in more oxygen and release carbon dioxide, which helps his body stay fit and active.
What is one thing that happens if we breathe dirty air?
a) Lungs stay healthy
b) Lungs get weak
c) Muscles grow
d) Bones grow faster
Lungs get weak
What is the main function of the lungs?
The main function of the lungs is to help us breathe — they take in oxygen from the air and remove carbon dioxide from our body.
In a smoky kitchen, Amal coughs while cooking. How is smoke affecting her lungs?
smoke irritates Amal’s lungs and makes it harder for her to breathe.
Smoke can make the lungs weak and unhealthy
Why is it important to keep lungs clean and healthy?
a) So we can breathe properly
b) So we can see better
c) So we can sleep less
d) So we can eat faster
So we can breathe properly
What will happen if our lungs do not work properly?
We will not be able to breathe well.
Rina runs to catch the school bus and starts breathing fast. Why is she breathing faster?
Rina is breathing faster because her body needs more oxygen while running.
Which of these keeps lungs strong?
a) Playing outside
b) Breathing smoke
c) Sitting all day
d) Eating junk food
Playing outside