Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
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References
http://www.emc.maricopa.edu/faculty/farabee/biobk/biobookexcret.html
http://www.khanacademy.org/science/biology/v/the-kidney-and-nephron
Campbell Biology, 9th ed.
Table of Contents
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