February 23, 2017

Homework Help: Biology

Posted by Stephanie on Thursday, March 3, 2011 at 3:25pm.

The human retina has an area of about 1000 mm^2. If we have a total of 125 million rods and 6.5 million cones in each eye, show that we have about 131,500 sensory cells per square millimeter in the retina.

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