The visible part of the hair, the shaft, has no metabolic processes. It's not alive by most definitions — it's a strand of dead protein structures. read more
Hair is made up of non-living tissue made up of keratin, which is the same substance found in finger and toe nails. Hair grows at a rate of one-half inch per month. It is common for a person to lose hundreds of hairs each day, but they are usually replaced by new hair growth. read more
hair is basically a dead cell that has a structure attached to others, that in turn will tell what a person has been into. read more