BrainStuff Classics: Why Does Skin Tan and Freckle?
Odcinek 4 min 43s

BrainStuff Classics: Why Does Skin Tan and Freckle?

Z BrainStuff iHeartPodcasts

When you freckle or tan, your skin is trying to protect you from damage. Learn how it works in this episode of BrainStuff.

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