Fingernails are one of the features that distinguish. Human nails play a crucial role in enhancing grip strength and fine motor movements. The hard, outer covering of fingernails contributes to making the fingertips one of the strongest parts of the hand. This strength improves grip while holding objects and ensures a secure grasp. Fingernails play several important roles in the body that may provide a sign as to why we have them. The hard, outer covering on the tips of the fingernails makes. Human fingernails are actually flattened versions of claws. All primates, including ancient ancestors of humans, had claws that supported their broad fingertips. The broad fingertips helped primates maintain a strong grip around objects, including trunks and tree branches. Have you ever looked down at your hands (perhaps while they were being painted in a nail salon) and thought: Why do we have nails? One of the mysteries of human evolution, scientists are still debating whether or not they're a leftover, flattened version of claws, or a completely separate adaptation.
One of the mysteries of human evolution, scientists are still debating whether or not they're a leftover, flattened version of claws, or a completely separate adaptation.
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