Why Do We Have Fingernails? | COLOSSAL QUESTIONS
By Colossal CraniumFrom youtube.com
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Have you ever looked that those strange hard shells at the ends of your fingers and toes and wondered to yourself... why do we have them? What do they actually do
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Colossal Cranium
Colossal Questions
Peacock Kids
Dreamworkstv
Dreamworks Animation
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Big Questions
Interesting Facts
Fingernails
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