Human anatomy -line - innerbody., Welcome to innerbody.com, a free educational resource for learning about human anatomy and physiology, as well as many careers in the health sciences.. Learn.genetics, Learn.genetics [internet]. salt lake city (ut): genetic science learning center; 2015 [cited 2016 nov 22] available from http://learn.genetics.utah.edu/. Cell size scale - learn genetics, The smallest objects that the unaided human eye can see are about 0.1 mm long. that means that under the right conditions, you might be able to see an ameoba proteus.
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