(especially on darker skinned people)
2007-01-29 06:32:34 · 4 answers · asked by Kraljica Katica 7 in Science & Mathematics ➔ Biology
The color of human skin is is mainly due to a substance called melanin present in the skin. Melanin provides varying degrees of brown coloration at the skin surface. Hemoglobin present in the blood also contributes to the color of the skin.
Melanin is not present in the palm of the hand hence it is lighter in color. More the melanin in the skin, more the color will be dark.
2007-01-29 06:43:56 · answer #1 · answered by Ali 2 · 2⤊ 0⤋
I don't know. Perhaps the palms of your hands get less sun, or mechanical wear depletes pigments? Maybe it is genetic, though I can't think why there would be such an adaption. A good question.
2007-01-29 07:01:50 · answer #2 · answered by Anonymous · 0⤊ 0⤋
That's the way God designed humans. If you think about it, the inner parts of the hands are exposed to more germs than any other part of the body. Nevertheless,,, that's a very good question.
2007-01-29 06:41:54 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Lack of melanin...just like the soles of your feet.
2007-01-29 07:24:44 · answer #4 · answered by michelle 5 · 0⤊ 0⤋