What is the function of the nasopharynx?

nasal cavity

Which structure responsible for directing food and liquids into the esophagus during swallowing?

Glottis

adams apple

conchae

What purpose do the cartilaginous rings around the trachea serve?

Inhaled food or foreign objects are most likely to lodge in which part of the respiratory system?

What is the purpose of surfactant?

What is one of the purpose of the fluid in the pleural cavity?

The main muscle responsible for pulmonary ventilation is:

Which gas is the primary regulator of respiration?

bicarbonate

When pressures in the lungs drops lower than atmospheric pressure what occurs?

pneumothorax

air flows from an area of higher to

air flows out of the lungs when pressure in the lungs is the higher than

asthma

The primary way oxygen is transported in the blood is

two forms used to transport carbon dioxide

only 1.5% of the oxygen entering the body is dissolved in ?

98.5% travels the circulatory system in the of