RESPIRATORY SYSTEM

Which of the following is the function of the respiratory system?

• Get oxygen gas from the atmosphere.

• Expel carbon dioxide from the body to the surroundings.

• All of the above.

It serves as the opening to the respiratory tract.

• nasal cavity

• nostrils

• trachea

• pharynx

Which of the following is the function of the nasal cavity?

• warm the air

• moisturize or humidify the air

• filter the air

• all of the above

It is an organ that has a dual function being a part of the digestive and respiratory systems.

• larynx

• pharynx

• trachea

• bronchus

It is flap of cartilage that opens when breathing an closes swallowing.

• epiglottis

• larynx

• pharynx

• nasal cavity

It connects the larynx and pharynx to the lungs.

• trachea

• bronchiole

• alveolus

• bronchus

Which of the following is NOT true about the lungs?

• The right lung has 3 lobes while the left lung has 2 lobes.

• The right lung is slightly bigger than the left lung.

• The lungs are the major organs of the respiratory system.

• The lungs are protected with cartilage structures to prevent them from collapsing.

It is the site of respiration or gas exchange.

• bronchiole

• bronchus

• alveolus

• trachea

It protects the lungs and the heart.

• diaphragm

• rib cage

• sternum

• pleura

It separates the chest or thoracic cavity and the abdominal cavity.

• rib cage

• diaphragm

• alveolus

• cranial bone