Question

a) Name the site where gaseous exchange takes place inside the lungs.
(b) What facilitates this structure to perform the gaseous exchange?
(c) What is the significance of residual volume in breathing cycle?
Pls answer fast thank you so much

Answer 1

Answer:

a)lungs

B)the rib cage

c) movement of the diaphragm

Answer 2

Explanation:

a) ALVEOLI

b) its large surface area along with its rich supply of blood through blood vessels facilitates it to perform this function

c)resudial volume of air in lungs ensures that there is at least some air left in the lungs in between the cycles of respiration. i.e. between inhalation and exhalation

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