The main idea of hair

Your hair grows from follicles within the skin. The hair inside the follicle is known as the hair root. At the base of the hair root is known as the hair bulb, which recieve nutrients and form new cells.
http://www.hairfinder.com/hairquestions/hairgrowth.htm

When your think of the word hair, your probly thinking of your head. But hair isnt just on your head, its many places on your body excluding your lips, soles on your feet, and the palms of your hands. Hair has many different jobs depending on where it is. The hair on your head is used for warmth and little cushion for your skull. The hair on your eyelashes protects the amount of light going into your eyes and the dust going into them. Your eyebrows protect the sweat from dripping into your eyes. The hair you see on all parts of the body contain dead cells, that why when you cut them it doesn't hurt. But if you pull a hair from your body it might hurt because your are pulling out a part of a cell under the skin that isn't dead.
http://kidshealth.org/kid/htbw/hair.html

Chemotheropy drugs get rid of cancer cells that are very quick multiplyers. Other cells in the body like follicle cells multiply fast as well. The drugs cant discern the two therefore attacking healthy cells which cause hair loss.
http://cancer.about.com/od/chemotherapysideeffects/a/preventhairloss.htm

Wigs produced by machines are based on strands that have been woven together with thread. Once the thread has been woven together they are then stitched together in a crosshatch fromation
http://www.ehow.com/facts_5637258_wigs-made-of_.html

Synthetic wigs are made out of wefts of hair that are sewn together to creat the base of the cap.
http://www.womenswigsolutions.com/synthetic-wigs-machine-made-wigs/

Alopecia is the loss of hair from the head or body. There are many different types of this desease.
http://www.alopeciaareatainfo.com/alopecia-areata-types.shtml

Hair loss occurs in middle age men and women. Men and women both respond to think in a negative way. They think it is a loss of physical and mental strength and not looking attractive anymore.
http://www.medicalnewstoday.com/articles/68080.php

The cooling of the scalp is one of the waya to prevent chemotherapy hair loss.
http://annonc.oxfordjournals.org/content/16/3/352.full

"Hair Me Out On This One"

• Superstar strong safety Troy Polamalu's hair is insured for 1 million dollars!
• Most scalps contain 100,000-150,000 hair follicle
• Due to high levels of estrogen, the growth cycle of hair is slower in women than men
• 90% of hairs are growing while the other 10% are resting
• Hair is the second fastest growing tissue in the body
• Many drugs can cause hair loss.
• You would have to lose over 50% of your hair before anyone notices
• If the average man never shaved his beard it would grow to be over 30 feet long.
• Hair follicles are found in the epidermis of the skin
• A follicle is a stocking like structure that contain capillaries that help feed the cell
• A reason we have hair is for insulation
• Hair forms in a hair follicle the things we actually see are hair shafts which are hardened and keratinized cells.
• The more disulfide bonds hair has the curlier it is the least bonds the straighter the hair.
• There are two steps to getting a perm the first is a physical wrapping of the hair to shape the hair and then a chemical bath to break down the disulfide bonds.
• As people age the pigment cells in the hair deteriorate and causes the persons hair to grow back in a grayish tone.
• To find out more on why hair turns gray, click here
• Sebum is released by the sebacious glands, its purpose is to protect the skin and hair from drying out.
• An arrector pili muscle is a muscle that contracts and causes hairs to go into the skin and cause goosebumps.