Respiratory system

We breathe carbon dioxide and we expel oxygen

• True

• False

Which organs do you use to breathe?

• Mouth and ears

• Nose and eyes

• Mouth and nose

• Nose and ears

Which organs contains the alveoli?

• Tracheas

• Mouths

• Noses

• Lungs

Where does the gas exchange happen?

• In the nose

• In the heart

• In the alveoli

• In the stomach

When we breathe in the diaphragm...

• Contracts

• Relaxes

When we breathe out the diaphragm...

• Contracts

• Relaxes

When we breathe out, the ____________ leaves our lungs.

• oxygen

• carbon dioxide

• water

Which are the main organs in the respiratory system?

• Lungs

• Stomach

• Bladder

• Heart

What is the function of the Alveoli?

• To produce water

• To exchange carbon dioxide and oxygen

• To expel waste products

• To push blood

The tube that connects mouth and lungs is called:

• Trachea

• Bronchi

• Alveoli

• Nose