Question

Which of this statement is TRUE for pulmonary respiration?

(a) Exchange of gases between alveoli of lungs and the blood

(b) Exchange of gases between blood and tissue cells

(c) Breathing between the atmosphere and the alveoli of the lungs

(d) Production of ATP

This question was addressed to me in an international level competition.

The above asked question is from Respiratory System topic in portion Human Physiology of Life Sciences

Answer 1

Right choice is (a) Exchange of gases between alveoli of lungs and the blood

To elaborate: Pulmonary respiration is the exchange of gases between the alveoli of the lungs and the blood in the capillaries. Exchange of gases between blood and tissue cell occurs in internal respiration.