Respiratory System Quiz

What is breathed out from our mouth and nose?

• carbon dioxide
• oxygen
• nitrogen
• helium

Oxygen rich blood is carried to the:

• Lungs
• Heart
• Diaphragm
• Pharynx

Which 2 substances are exchanged in the Respiratory System?

• oxygen and nitrogen
• carbon dioxide and oxygen
• oxygen and glucose
• glucose and carbon dioxide

The windpipe is also known as which organ?

• Lung
• Trachea
• Alveoli
• Nose

Letter D is pointing to which Respiratory organ?

• Alveoli
• Diaphragm
• Lung
• Bronchi

Number 7 is pointing to which organ of the Respiratory System?

• Lung
• Bronchi Tube
• Trachea
• Nose

When the diaphragm contracts and moves down, the lungs are...

• expanding with air
• shrinking - pushing air out

When the diapragm relaxes and moves back up, the lungs are...

• expanding with air
• shrinking - pushing air out

NUMBER 6:

• Lungs

• Trachea

• Mouth

• Alveoli

The respiratory system is made up of ___

• The heart, blood, trachea and bronchi

• The brain, muscles and lungs

• The nostrils, trachea, bronchi and lungs