Gums bleeding while brushing one's teeth is most commonly associated with

Are needed by the body in large amounts in order to maintain good health

Which of the following identifies a main culprit for america’s increasing weight gain

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer