Organs
Air composition
Organ movement
Picture quiz
100

Which is the entrance of the air?

Mouth and Nose.

100

Which is the gas that we need for respiration?

Oxygen

100
Which is the organ in charge of bringing air into the body?

Diaphragm

100

Respiratory system

200

Which is the organ that connects the lungs with the mouth and nose?

Trachea 

200
Which is the gas we produce after respiration?

Carbon Dioxide

200

Does the ribcage move when we breathe? 

Yes, it does.

200

Ribcage

300

This is the organ that provides protection to your lungs.

Ribcage

300

This gas is present in the air but we don't use it at all.

Nitrogen

300

What do the muscles in the ribcage and the diaphragm do when we inhale?

They contract.

300

Bronchus

400

These are the tiny tubes that connect the bronchus with the alveoli.

Bronchioles  

400

Which is the percentage of carbon dioxide in the air we exhale?

4%

400

What do the muscles in the ribcage and the diaphragm do when we exhale?

They relax. 

400

Bronchiole 

500

This is the part of the respiratory system where gas exchange happens.

Alveoli. 

500
Which is the percentage of the oxygen we take from the air we breathe in?

4%

500

We we inhale the _______ inside your chest ________ and this draw air into your _________.

pressure/ decreases/ lungs

500

Alveoli

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