Penicillin was considered a miracle drug for all of the following reasons

Witch system has the main function of the body defense

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

Which feelings are examples of emotional needs? choose exactly 2 answers that are correct. a.love b.belonging c.joy d.anger