Respiratory System Quiz

What is the respiratory system?

• The body’s breathing system

• The body’s system of nerves

• The body’s food-processing system

• The body’s blood-transfer system

What important gas from the air is needed by all parts of the body?

• Nitrogen

• Oxygen

• Argon

• Carbon dioxide

What is the main function of the diaphragm?

• Pump blood into the lungs

• Open and close the lungs

• Expands/ contracts the chest to allow breathing

• All of the above

What part of the body is not used for the respiratory system to work?

• Mouth

• Nose

• Small intestines

• Diaphragm

What occurs inside of the lungs?

• Nutrients are digested

• Liquid waste is filtered from the blood

• The blood is pumped to all body cells

• Oxygen is exchanged for carbon dioxide

What are the tubes inside of the lungs called?

• Bronchi

• Alveoli

• Larynx

• Pharynx

What gas is exhaled from the body and into the air?

• Carbon dioxide

• Oxygen

• Argon

• Nitrogen

Serious brain damage can occur after how long without oxygen?

• About 30 seconds

• About 1 minute

• About 3 minutes

• About 6 minutes

Which of the following is controlled by the respiratory system?

• Yawning

• Hiccup

• Sneeze

• All of the above

What is the purpose of nasal hair?

• Stops dust and germs from entering

• Helps to keep the air moist

• Helps warm the air

• All of the above