Monday, August 15, 2011

When you pluck out a hair what the the black thing at the end of the hair?

You know when you pluck out a leg hair, eyebrow hair, any hair, there is a black thing at the end of it? Is it the root? I've looked at the hair under a microscope. The little black thing can be squished off with the tweezers or your fingers. What is it specifically?

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