The area where gaseous exchange with the environment actually takes place is called the………
a) absorptive area
b) digestive surface
c) respiratory surface
d) excretory surface
Which of the following process is used by all organisms for gaseous exchange?
a) osmosis
b) active transport
c) diffusion
d) endocytosis
Which of the following property/ies should be present for effective diffusion by respiratory surface?
a) it must be permeable
b) it must be thin for efficient diffusion
c) it should possess large surface area
d) all of these
Diffusion of gases via respiratory surface is only efficient over distance of ……..or less.
a) 4 mm
b) 3 mm
c) 2 mm
d) 1 mm
Which of the following property/ies should be present for effective diffusion by respiratory surface?
a) it should possess a good blood supply
b) there should be a good ventilation mechanism to maintain a steep diffusion
c) it should possess large surface area
d) all of these
Human Respiratory System
