3°: Respiratory System

TRUE OR FALSE:

You breathe in carbon dioxide.

You breathe out oxygen.

• TRUE

• FALSE

This part is a tube where the air travels down to the lungs.

• Trachea

• Diaphragm

• Small Intestine

• Large Intestine

This part contracts to push air out of the lungs.

• Nostrils

• Esophagus

• Diaphragm

• Mouth

Your lungs are important because they take in ______ from the air and pass it to the blood.

Which of the following is not a part of the respiratory system?

• 
• 
• 
•