Respiratory System Quiz

What is the function of the tiny hair present in your nostrils?

• To filter carbon dioxide

• To absorb oxygen

• To produce mucus

• To obstruct dust particles

Which organ separates the chest cavity from the abdominal cavity?

• Liver

• Diaphragm

• Kidney

• Stomach

How many lobes does the right lung have?

• One

• Four

• Two

• Three

What is the function of the mucus in the bronchi?

• To produce air sacs

• To filter carbon dioxide

• To absorb oxygen

• To collect germs and other particles

Where does the exchange of oxygen and carbon dioxide happen?

• Nostrils

• Bronchi

• Alveoli

• Trachea

What is the main reason why a person is alive?

• Water

• Carbon dioxide

• Nitrogen

• Oxygen

Tags

NGSS.MS-LS1-1

What is the approximate number of times a person breathes in one day?

• 10,000

• 15,000

• 20,000

• 25,000

Which muscle contracts when you breathe in and expands when you breathe out?

• Diaphragm

• Triceps

• Biceps

• Quadriceps

What is the function of the alveoli in the lungs?

• To produce mucus

• To filter dust particles

• To absorb carbon dioxide

• To exchange oxygen and carbon dioxide

Which organ is slightly smaller in size to give space to the heart?

• Spleen

• Lung

• Kidney

• Liver