Quiz on Lungs and Breathing

What fills with air when you breathe in?

• Heart

• Brain

• Lungs

• Stomach

What do your lungs do with the oxygen they take from the air?

• Release it

• Store it

• Convert it to energy

• Load it into the blood

Which lung is bigger, the right or the left?

• Right lung

• Depends on the person

• Left lung

• Both are the same size

What happens to your lungs when your body is active?

• They shrink

• They breathe slower

• They need less oxygen

• They breathe faster

What happens to your lungs when your muscles are resting?

• They shrink

• They chill out

• They stop breathing

• They breathe faster

Which organ never stops breathing?

• Heart

• Liver

• Stomach

• Lungs

What determines how much air your lungs can hold?

• The size of your nose

• The size of your mouth

• The size of your lungs

• The size of your ears

What happens to your lungs when you breathe out?

• They shrink

• They fill up with air

• They expand

• They empty

What happens to your lungs when your muscles need less oxygen?

• They stop breathing

• They shrink

• They chill out

• They breathe faster

What is the function of the lungs when your body is at rest?

• They shrink

• They relax

• They work harder

• They stop working