Respiratory System Quiz

Which organ is responsible for supplying the body's cells with oxygen and removing carbon dioxide?

• Heart

• Liver

• Stomach

• Lungs

What is the main muscle used for breathing?

• Biceps

• Quadriceps

• Diaphragm

• Triceps

Where does the exchange of gases take place by a process called diffusion?

• Mouth

• Trachea

• Alveoli

• Bronchi

What is the function of the cilia in the respiratory system?

• To exchange gases

• To filter dust and particles

• To inflate and deflate the lungs

• To warm and humidify the air

Which disease is caused by allergies that inflame and narrow the airways?

• Bronchitis

• Pneumonia

• Lung cancer

• Asthma

What is the process that occurs within the mitochondria of cells to release the chemical energy in food?

• Diffusion

• Breathing

• Cellular respiration

• Gaseous exchange

What is the function of the trachea in the respiratory system?

• To exchange gases

• To allow air to flow into the lungs

• To remove dust particles and germs

• To inflate and deflate the lungs

Which organ is the main organ of the respiratory system?

• Heart

• Stomach

• Liver

• Lungs

What is the function of the alveoli in the respiratory system?

• To exchange gases

• To warm and humidify the air

• To inflate and deflate the lungs

• To filter dust and particles

Which part of the respiratory system is responsible for filtering dust and particles?

• Alveoli

• Trachea

• Bronchi

• Lungs