Hair, Hair, and more hair
by Wylee young
A single strand
- a single strand can reveal your ethnicity
- can find out what you eat
- can find out if you have smoking habits
- a hair follicle contains its own mussel, nerve, and blood supply
What it is made of
- it is the fastest growing tissue
- mostly made of keratin,which is made of a acid called cysteine, that gives hair its shape
- thyroid imbalance causes hair loss
- outer layer of hair is called the cuticle it protects the inside layers, middle layers the cortex made of long protean twisted together, innermost layer is the medulla
fun facts
- an average person has between 100,000 to 150,000
- on an average 25 meters of hair is produced every day
- a whole head of hair can support up to 2 tons
- when you are born you have about 1000 hair follicles per square centimeter
problems for hair
problems
- stress can cause frail hair loss
- split ends
- trichotillomania is a disorder where you pull out hair