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
Big image

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