Chapter 5, Problem 10CYU

Summary Introduction

To review:

The concern of dark-skinned people living in the northern latitudes about the production of vitamin D.

Introduction:

Vitamins are organic compounds that are required by the body in small amounts. Various forms of vitamins are consumed from various food particles. Vitamin D can also be produced by the and is produced by the melanocyte cells. They regulate cells in the exposure of sun rays. Melanin pigment is present in the basal layer of the epidermis result in the absorption of ultraviolet rays and protects the body from damage.