Recently smashed my finger and lost the nail and it got me wondering what is the biological / mechanical / etc function / reason for fingernails? Sure it would be harder to grip little things, but is there a structural reason why our digits need these things?
EDIT: Follow up question. What is different about the skin underneath your nail that makes it so painful when initially exposed to air?
In: 273
You lost the nail and kept the finger. Nails act as protection of your finger, so you keep your fingers in case you injure your hand just like you did.
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