Hair is simoply a protein filament that grows in the skull
I heard about that in school. Very interesting,.
it is one of the major charastics of a mammal
Really? I guess all mammals have it.
yes, the most interesting and common interests about hair is growth, hair types, and hair care.
My sister-in-law is obsessed with hair. She is always complaining her hair grows to slow.
I understand that, attitudes about hair varies across cultures and historical periods, and age too
Well, she is pretty young so hopefully she grows out of it!
the number, distribution and types of melanin granules. The shape of the follicle determines the shape of the cortex, and the shape of the fiber is related to how straight or curly the hair is. People with straight hair have round hair fibers. Oval and other shaped fibers are generally more wavy or curly. The cuticle is the outer covering. Its complex structure slides as the hair swells and is covered with a single molecular layer of lipid that makes the hair repel water. The diameter of human hair varies from .
Hair
Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals.
The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair. Most common interest in hair is focused on hair growth, hair types, and hair care, but hair is also an important biomaterial primarily composed of protein, notably alpha-keratin.
Attitudes towards different forms of hair, such as hairstyles and hair removal