asked 570 views
1 vote
What is the most efficient way to extract oxygen from the environment?

a. Countercurrent
b. Crosscurrent
c. Uniform pool

1 Answer

5 votes

Answer:

a. Countercurrent

Step-by-step explanation:

Countercurrent has been adapted from fish gills where the air is drawn from the blood flowing in the opposite direction to the water flowing to the gills.

answered
User Dmitry Kochin
by
7.7k points
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