Question

32.) What is the primary function of the respiratory system?

All of the choices are correct.

gas exchange

ventilation

transport of gases

33.) What is internal respiration?

production of ATP

ventilation (breathing)

gas exchange between blood and tissue fluid

gas exchange between air and blood

34.) What is internal respiration?

production of ATP

ventilation (breathing)

gas exchange between blood and tissue fluid

gas exchange between air and blood

35.) What is the purpose of the mucociliary escalator mechanism?

to inhale air

to screen out and remove dust, dirt, and pathogens from inhaled air

to transport gases through the mucous membrane

to move inhaled air through the rest of the respiratory tract

36.) Which portion of the respiratory tract is also a passageway for food?

bronchi

pharynx

trachea

larynx

Answer 1

1. The primary function of the respiratory system is the exchange of the gases. It helps the body to breathe and it also provide the cells with oxygen and takes carbon oxide from the body.

2. Internal respiration is the process in which gas exchange takes place between the blood and tissue fluid. This respiration occurs in metabolising tissue.

3. Internal respiration is the process in which gas exchange takes place between the blood and tissue fluid. This respiration occurs in metabolising tissue.

4. The purpose of the mucocillary escalator mechanisms is to screen out and clear the dust, dirt and pathogens from the inhaled air. It is the self clearing mechanisms which is present in the respiratory system.

5. Pharynx is the respiratory tract is also passageaway food.