Gas exchange at the respiratory membrane is efficient because I. the differences in partial pressure are substantial. II. the gases are lipid-soluble. III. blood flow is very rapid. IV. the distance is minimized by having only one cell layer. V. the total surface area is large.

Question

Gas exchange at the respiratory membrane is efficient because I. the differences in partial pressure are substantial. II. the gases are lipid-soluble. III. blood flow is very rapid. IV. the distance is minimized by having only one cell layer. V. the total surface area is large. (A) II and III (B) I, IV and V (C) I, II and V (D) I, III, IV and V

Tardigrade Admin · Accepted Answer

When oxygen is transported to the blood and carbon-d-oxide is removed from the blood it is known as gas exchange. This exchange of gases takes place across the respiratory membrane which is thin with a high surface area having a single cell layer. The efficiency is also due to the lipid solubility of carbon-di-oxide and oxygen their partial pressures differences which make the exchange of gases possible.

Q. Gas exchange at the respiratory membrane is efficient because I. the differences in partial pressure are substantial. II. the gases are lipid-soluble. III. blood flow is very rapid. IV. the distance is minimized by having only one cell layer. V. the total surface area is large.

II and III

I, IV and V

I, II and V

I, III, IV and V

Q. Gas exchange at the respiratory membrane is efficient because
I. the differences in partial pressure are substantial.
II. the gases are lipid-soluble.
III. blood flow is very rapid.
IV. the distance is minimized by having only one cell layer.
V. the total surface area is large.