Humans have dormant genes that can direct the body to grow new limbs after an injury.
U.S. researchers are working toward possibly enabling people some day to renew or replace damaged and missing body parts. Scientists say humans have genes that direct the body to grow new arms and legs after an injury but the genes lie dormant, a report in the Chicago Tribune said.
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The smallest bone in the human body is the stapes or stirrup bone located in the ear.
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1 in 500 humans are born with more than 5 fingers on a hand. This is referred to as polydactyly.
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Only the left side of the human heart is responsible for pumping blood to all parts of the body.
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