Very fine hairs,called ____________________,appear first at 12 weeks of gestation on the fetus's eyebrows and upper lip. By 20 weeks they cover the entire body. By 28 weeks the scalp hair is longer than these fine hairs,which thin and may disappear by term gestation.

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The Answer of Very fine hairs,called ____________________,appear first at 12 weeks of gestation on the fetus's eyebrows and upper lip. By 20 weeks they cover the entire body. By 28 weeks the scalp hair is longer than these fine hairs,which thin and may disappear by term gestation.

Very Fine Hairs,called ____________________,Appear First at 12 Weeks of Gestation