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Why don’t people have hair in every single place their our bodies like different animals? – Murilo, age 5, Brazil
Have you ever ever puzzled why you don’t have thick hair protecting all your frame like a canine, cat or gorilla does?
People aren’t the one mammals with sparse hair. Elephants, rhinos and bare mole rats even have little or no hair. It’s true for some marine mammals, reminiscent of whales and dolphins, too.
Scientists assume the earliest mammals, which lived on the time of the dinosaurs, have been slightly furry. However over loads of hundreds of thousands of years, a small handful of mammals, together with people, developed to have much less hair. What’s the good thing about no longer rising your individual fur coat?
I’m a biologist who research the genes that keep watch over hairiness in mammals. Why people and a small collection of different mammals are moderately hairless is a fascinating query. All of it comes down as to if positive genes are grew to become on or off.
Hair advantages
Hair and fur have many essential jobs. They maintain animals heat, offer protection to their pores and skin from the solar and accidents and lend a hand them mix into their environment.
They even lend a hand animals in sensing their surroundings. Ever felt a tickle when one thing nearly touches you? That’s your hair serving to you locate issues within reach.
People do have hair in every single place their our bodies, however it’s typically…
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Author : USA365
Publish date : 2025-04-21 14:07:00
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