I am the windpipe that leads from the mouth and nose to the bronchi

• Trachea
• Bronchiole
• Alveoli

I am a tiny air sac at the end of the bronchioles where gas exchange happens

• Trachea
• Bronchi
• Alveoli

I am the tube leading from the trachea into each lung

• Trachea
• Bronchi
• Alveoli

I make up a movable cage to protect the lungs

• Ribs
• Intercostal Muscles
• Diagraphm

The respiratory system is made up of the trachea, the lungs, and the ___________. 

• Liver
• Diaphragm
• Esophagus
• Pancreas

When you breathe in air, you bring oxygen gases into your lungs and blow out ________ gases.

• Carbon dioxide
• Carbon monoxide
• Oxygen
• Hydrogen

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

Name the organ label # 6. 

• alveoli 
• bronchi 
• trachea 
• lungs 

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

Name the organ label # 5. 

• alveoli 
• bronchi 
• trachea 
• lungs