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Old 03-25-2008, 05:32 PM
 
19,532 posts, read 22,750,292 times
Reputation: 26988

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The heart weighs between 7 and 15 ounces (200 to 425 grams) and is a little larger than the size of your fist. By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times. In fact, each day, the average heart beats 100,000 times, pumping about 2,000 gallons (7,571 liters) of blood.

If you took all of the blood vessels out of an average child, and laid them out in one line, the line would be over 60,000 miles long! An adult's vessels would be closer to 100,000 miles long!

Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it. This fleshy covering does a lot more than make us look presentable. In fact, without it, we'd literally evaporate.

If the small intestine were not looped back and forth upon itself, it could not fit into the abdominal space it occupies. It measures eighteen to twenty-three feet in the average adult, which makes it about four times longer than the person is tall.

HAIR!
* Average number of hairs on the head: 100,000
* Red hair: 90,000
* Black hair: 110,000
* Blond hair: 140,000
* Maximum length of hair: 70 to 90 cm
* Annual growth: 12 cm
* Female hair grows more slowly than male hair (wouldn’t you just know it)
* Male hair is more dense than female hair (ditto)
* Lifespan of hair: 2 to 7 years
* Diameter of hair: 0.1 mm
* Load-carrying capacity: 100 grams (= one chocolate bar)
* Humidity stretches the hair
* Combing is less detrimental than brushing
* Correct shampooing will not dry out the hair
* Frequent washing does not increase loss of hair
* Hair grows faster in warm weather
* Elderly people have slower hair growth and diminished hair density
* Cutting hair does not influence its growth
* Spliced ends can not be repaired and need to be cut
* Wet hair should not be rubbed since hair is very sensitive


I'll wager at least one of you knows something I missed.
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Old 03-25-2008, 05:36 PM
 
Location: Naptowne, Alaska
15,008 posts, read 25,335,932 times
Reputation: 13276
Hair is flamable?

Hair can be tested for drugs as far back as 10 years. This includes arm hair!
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Old 03-25-2008, 10:50 PM
 
Location: Woods of Missouri with many Critters
25,441 posts, read 8,979,643 times
Reputation: 31395
Rubbing shampooed hair with a towel causes hair to grow faster than if you blot the hair.
(so says many hairdressers)

Interesting Tek....thank you.
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Old 03-25-2008, 10:58 PM
 
Location: Vermont / NEK
5,366 posts, read 8,759,252 times
Reputation: 6456
I'm a little miffed at my 50,000 hairs that took off for places unknown. Sure, they're out there somewhere having the times of their lives, but do they ever stop to think about who raised and nourished them. No! No they don't. I gave them a good home for, what, 40 years and they just up and leave like that? Who needs em, I say.
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Old 03-25-2008, 11:29 PM
 
9,924 posts, read 8,917,938 times
Reputation: 7170
Quote:
Originally Posted by Tek_Freek View Post
I'll wager at least one of you knows something I missed.
Brunettes?
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Old 03-26-2008, 03:50 AM
 
Location: Az.
1,198 posts, read 406,497 times
Reputation: 345
Quote:
Originally Posted by moonshadow View Post
Brunettes?
I think us Brunettes have about the same amount as Black hair. Nowadays they are categorizing Black hair with the Brunette hair shades. Now they are considering it Brunette (well, some shades of Brunette is almost Black; i.e. Midnight Brown also known as Black-Brown shade).
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Old 03-27-2008, 01:14 PM
 
Location: Tropical Florida
13,025 posts, read 24,449,982 times
Reputation: 11335
Quote:
Originally Posted by Tek_Freek View Post
HAIR!
* Average number of hairs on the head: 100,000
* Red hair: 90,000
* Black hair: 110,000
* Blond hair: 140,000
* Maximum length of hair: 70 to 90 cm
* Annual growth: 12 cm
* Female hair grows more slowly than male hair (wouldn’t you just know it)
* Male hair is more dense than female hair (ditto)
* Lifespan of hair: 2 to 7 years
* Diameter of hair: 0.1 mm
* Load-carrying capacity: 100 grams (= one chocolate bar)
* Humidity stretches the hair
* Combing is less detrimental than brushing
* Correct shampooing will not dry out the hair
* Frequent washing does not increase loss of hair
* Hair grows faster in warm weather
* Elderly people have slower hair growth and diminished hair density
* Cutting hair does not influence its growth
* Spliced ends can not be repaired and need to be cut
* Wet hair should not be rubbed since hair is very sensitive


I'll wager at least one of you knows something I missed.
What about those of us with curly hair......

Tek Freek you always have good info on science and what not.....

6/3
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Old 04-30-2008, 11:21 AM
 
Location: Northeastern WI
20,518 posts, read 16,839,566 times
Reputation: 37286
Im sure glad that someone else sees what Ive known for years: Hair does not grow faster if you cut it, and that frequent shampooing does NOT dry out your hair. I wash and condition mine every day.
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Old 04-30-2008, 02:18 PM
 
73 posts, read 240,213 times
Reputation: 86
And like I tell my husband, you really aren't LOSING your hair, it just pops out in other places, like your ears, your nostrils, your back and your as*!
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Old 04-30-2008, 02:27 PM
 
Location: Oswego, IL
5,665 posts, read 6,768,214 times
Reputation: 35162
Quote:
Originally Posted by FLtoVA View Post
And like I tell my husband, you really aren't LOSING your hair, it just pops out in other places, like your ears, your nostrils, your back and your as*!
Goes down into the brain where it gets tangled and confuses us before it comes out of somewhere unwanted.
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