for what purpose we need nails in our hand
Answers
To this day, humans sport broader fingertips than other primates. Whether fingernails are an adaptation that helps to support broad fingertips or a side effect from the loss of claws is unclear, Hawks said. Another reason for fingernails: They serve as a visual advertisement of a person's health, he said.
A nail is a horn-like envelope covering the tips of the fingers and toes in most primates and a few other mammals. Nails are similar to claws in other animals. Fingernails and toenails are made of a tough protective protein called alpha-keratin
Though you may only think about your cuticles when you get a manicure, they're not just hanging out on your hands. They serve a purpose, and they need your TLC. Your cuticles are part of your skin. They sit atop your nails' growth matrix, which is the part of your nails that grows
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