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lanugo

Scientists have found that chimpanzee embryos and human embryos both have a type of hair called pubescence at the same time. However, the pubescence on humans falls off a few weeks before birth, while the pubescence on chimpanzees does not. This suggests that the pubescence on humans is a leftover from our shared ancestor with chimpanzees, which makes sense in the context of evolution, but not in the context of a designer.

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lanugo

Lanugo hairs are tiny, soft hairs that grow on the body when someone is very skinny due to not eating enough. These hairs help keep the body warm by providing insulation, since the person has lost fat from not eating.

3

lanugo

Babies born prematurely often have very soft, thin body hair, which is more noticeable on their shoulders, forehead, ears, and face.

4

lanugo

As someone with anorexia nervosa gets thinner, their blood pressure drops, their heart rate slows down, and their body temperature becomes lower than normal. They may also grow a thin layer of soft, downy hair called lanugo all over their body.

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