because that is our working finger, withoout that we couldn't pick up or apply force to anything, we use it alot, so it has to be toughWhy thumb nails are harder than finger nails?
bcoz finger nails can be cut and thumb nails cant... ha haWhy thumb nails are harder than finger nails?
Because your thumb is bigger and there is more blood circulation flowing to it.
well 4 1 thing the thumb is wider so has a bigger area to cover
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