Hair on different part of our bodies grows to different lengths, and those lengths vary between people, as well as between areas of the body. After shaving (or cutting), hair grows (if allowed to grow to its maximum) to its previous length (more or less). So if you leave your leg hair to grow to its maximum, it stops growing. If you then shave your legs, your hair grows, but only as long as it was before - no-one has underarm hair reaching down to their pelvis.
Why is this? How does head hair 'know' to grow longer than other body hair?
2006-10-11 21:22:06 · 12 answers · asked by mattygroves 3 in Health ➔ Other - Health
The hairs on our bodies are biologically pre-programmed to die off after a certain length of time. This time varies according to which part of the body the hair is growing on. There are also some influences from our genes and our diet.
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2006-10-11 21:34:34 · answer #1 · answered by Spica 4 · 1⤊ 0⤋
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2016-10-16 02:41:26 · answer #2 · answered by ? 4 · 0⤊ 0⤋
Hair is genetically programmed to grow for a length of time and then die. If you didn't cut the hair on youir head it wouldn't grow for ever, eventually it would stop growing also.
2006-10-11 21:31:55 · answer #3 · answered by vampire_kitti 6 · 0⤊ 0⤋
Hair on your head differs from hair on your legs, underarms, and pubic area. That difference is in your hair folical. Different parts of your body need hair for different reasons! Hope I helped
2006-10-11 21:27:59 · answer #4 · answered by candygrr1 4 · 0⤊ 0⤋
actually, the hair doesn't stop growing, it breaks or falls out. The hair follicles can only last so long. Head hair follicles are slightly different, so the hair can grow longer without breaking or falling out
2006-10-11 21:27:08 · answer #5 · answered by chalqua 3 · 1⤊ 0⤋
Your hair keeps on growing, you may think it stops but it alls off. The hair on your head is diffirent.
2006-10-11 21:31:51 · answer #6 · answered by Colonyhkman 3 · 0⤊ 0⤋
It is all in your genetic make up that determines hair length and color thickness ect.
2006-10-11 21:30:40 · answer #7 · answered by â?¥ Pawya! 5 · 0⤊ 0⤋
Check out the DNA
2006-10-11 21:26:16 · answer #8 · answered by Anonymous · 0⤊ 0⤋
hair can still keep growing even wen ur dead
2006-10-11 21:32:25 · answer #9 · answered by ASHLEIGH H 2 · 0⤊ 0⤋
There is a little person who gives them wink when to stop.
2006-10-11 21:32:32 · answer #10 · answered by Anonymous · 1⤊ 1⤋