Monday, 15 February 2016

FACTS ABOUT THE HAIR

Image result for HAIR
there are so many things to know about the hair, to know some facts about the hair, read below. 

1. Hair is made up mostly of keratin, the same protein animals’ horns, hooves, claws, feathers, and beaks are made of.
2. When wet, a healthy strand of hair can stretch an additional 30% of its original length.
3. Hair grows slightly faster in warm weather, because heat stimulates circulation and encourages hair growth.
4. All hair is dead, with the exception of the hair that’s still inside the epidermis of your scalp.
5. Hair contains information about everything that has ever been in your bloodstream, including drugs, and is one of the most commonly used types of forensic evidence.
6. The only thing about you that can’t be identified by your hair is your gender—men’s hair and women’s hair are identical in structure.
7. Black is the most common hair color. Red is the rarest and only exists in about 1 percent of the world’s population, with blonde hair found in 2 percent.
8. As soon as a hair is plucked from its follicle, a new one begins to grow.
9. Hair is 50 percent carbon, 21 percent oxygen, 17 percent nitrogen, 6 percent hydrogen, and 5 percent sulphur.
10. Hair can grow anywhere on the human body with the exception of the palms of hands, soles of feet, eyelids, lips, and mucous membranes.
11. Goosebumps from cold or fear are the result of hair follicles contracting, causing the hair and surrounding skin to bunch up.
12. The average number of hair strands varies by natural color, with blondes having the most and redheads having the fewest.


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