Describe how the counter current flow mechanism works

Reference no: EM133423705

Questions:

Briefly describe how the counter current flow mechanism works for the gills of a bony fish in terms of O2 exchange. Be sure to indicate the following: the direction of both the blood in the vascular system and the flow of water across the gills, the relative PO2 of the blood in the gill circulatory structures both entering versus leaving the gill and relative to the water flowing over the gills, and how the counter current mechanism of the fish gill maximizes the O2 removed from the surrounding water.

Reference no: EM133423705

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