Asked by Jack
what is the direction of blood flow in relation to the direction of water flow over the gills
Answers
Answered by
MathMate
To be efficient, a fish applies the counter-current principle, i.e. the most oxygen-poor blood will extract the remaining oxygen from the most "stale" part of the water stream.
Does that tell you which is the direction of blood flow?
Does that tell you which is the direction of blood flow?
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