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Evolve
10. 2.03:30 → 04:20
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?
TV Program
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?