7. Direct transmission means: A. Transmission to another person that occurs through physical contact with another person

B. Transmission to another person that occurs through touching a contaminated object or surface

C. Transmission through breathing in microorganisms

D. None of the above

Taking a foil acid supplement during childhood can prevent illness

Describe three ways in which technology has treat the flu

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