Why does there need to be a concentration gradient across respiration surfaces?
A. So that oxygen can diffuse in, and carbon dioxide can diffuse out.
B. So that oxygen can diffuse out, and carbon dioxide can diffuse in.
C. So that there is no surface tension in the alveoli of the lungs.
D. So that there is surface tension in the alveoli of the lungs.

Question

jadekatana jadekatana

02-08-2022
Biology

contestada

Why does there need to be a concentration gradient across respiration surfaces?
A. So that oxygen can diffuse in, and carbon dioxide can diffuse out.
B. So that oxygen can diffuse out, and carbon dioxide can diffuse in.
C. So that there is no surface tension in the alveoli of the lungs.
D. So that there is surface tension in the alveoli of the lungs.

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mickymike92 mickymike92 · Answer 1 · 2022-08-12T17:14:04+02:00

A concentration gradient across respiration surfaces is needed so that oxygen can diffuse in, and carbon dioxide can diffuse out; option A.

What is a concentration gradient?

A concentration gradient is a difference in the concentration of molecule of substances across two regions or across a barrier.

A concentration gradient is necessary for diffusion of molecules of substances from one region to another.

Across respiratory surfaces, a concentration gradient is required in order for the gases to diffusion across the membranes from regions of high concentration to regions of lower concentration.

In conclusion, a concentration gradient is required for effective gaseous exchange across respiratory surfaces.

Learn more about concentration gradient at: https://brainly.com/question/19328396

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