The short answer is we have evolved to have nails because they help us pick things up (like food), pick things off (like bugs), and hold tightly onto things . Early humans who had these type of nails (instead of claws) tended to live long enough to have babies and pass on the fingernails gene to their kids. Mar 31, 2019
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Apr 22, 2020 · The main function of toenails is likely for protection, compared to enhancing grip or the fine motor functions the fingernails have. The tops of ... Roles of fingernails · Roles of toenails · Composition
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Feb 7, 2013 · Another reason for fingernails: They serve as a visual advertisement of a person's health, he said. For instance, malnutrition can change the ...
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Toenails went through an identical evolutionary development to fingernails. They too started out as claws. Claws on the feet are useful to get a grip when ...
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May 21, 2007 · Fingernails are essentially flattened versions of claws, and they evolved in all primates — including humans — to support broad fingertips, ...
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Apr 5, 2012 · We take fingernails for granted, but they are important for our day-to-day actions, helping us dig, open things and even scratch an itch.
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So, the reason we have fingernails is simply that everyone in our family tree has some sort of digital appendage that probably served to protect fingertips ...
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It's also possible we have toenails simply because our ancestors did - at some point in human evolution, toenails were functional and claw-like, but now they're ...
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Jan 22, 2022 · Fingernails primarily serve as a cover for the top surface of our fingers and offer some degree of protection. Fingernails and toenails on our ...
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As well as protecting your delicate digits, fingernails provide a rigid backing to help you grab and separate small objects. Just imagine picking up a ...
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May 12, 2022 · Johnson said scientists think nails make primates' fingers and toes stronger, helping them get a better grip while they're moving through the ...
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Duration: 4:12 Posted: Mar 31, 2016 VIDEO
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Duration: 6:30 Posted: Jul 22, 2013 VIDEO
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Duration: 3:37 Posted: Jan 31, 2022 VIDEO
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