Immune System Carlos Penilla. Vocabulary Passive Immunity- temporary immunity gained by taking in anti-bodies or immune cells (lasts only a few weeks.
CHAPTER 43 THE BODY’S DEFENSES Section A: Nonspecific Defenses Against Infection 1.The skin and mucus membranes provide first-line barriers to infection.
Evolution by Natural Selection is a Self ish Process Things (units) that survive & reproduce relatively more of self become relatively more common over.
