Evolve (2)
Skin. It makes up 16% of your weight and is the largest organ in the human body. From the delicate membranes that encased early life to thick, leathery hides, how has skin evolved?
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Skin. It makes up 16% of your weight and is the largest organ in the human body. From the delicate membranes that encased early life to thick, leathery hides, how has skin evolved?