Which of the following statements provides an accurate example of how respiratory organs conform to the dictates of Fick's law of diffusion?

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The gas-exchange surfaces in endurance athletes participating in competitions thicken to allow for more effective oxygen diffusion.

In fish, blood flows through the gills in the same direction as water flow over the gill surface.

In fish and other aquatic organisms, the epithelium of both internal and external gills is in direct contact with oxygen-bearing water.

The rate of breathing in humans under stress becomes more rapid to minimize the dead space in their respiratory system.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

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In fish and other aquatic organisms, the epithelium of both internal and external gills is in direct contact with oxygen-bearing water.

 

answered Dec 31, 2012 by anonymous



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