Structure of a Human Hair?

Answer A basic understanding of the structure of human hair begins with the identification of four parts: the follicle, the cuticle, the cortex and the medulla. This is somewhat misleading, though, becaus... Read More »

Top Q&A For: Structure of a Human Hair

The Structure & Function of the Human Eye?

The human eye is a complicated structure that sends information to the brain and includes such parts as the pupil, cornea, retina, lens and optic nerve. The eye acts as a camera, taking pictures of... Read More »

How to Study and Understand the Structure and Function of Human Skin?

This article is about the structure and function of skin in humans.

Chemical Structure of a Hair Relaxer?

Hair relaxers, so called for their ability to soften and relax the hair's natural curl, can be used at home or in the salon. Results vary from stick straight strands to loosened curls, depending on... Read More »

The Effect on the Hair Structure of Perm Lotion?

No one is ever fully satisfied with their hair. People with curly hair wish it were straight, while those with straight hair want curls. Giving people what they want is a multimillion dollar busine... Read More »