Slide 1 CHAPTER 43 THE BODY’S DEFENSES Slide 2 Slide 3 Slide 4 Nonspecific mechanisms and general barriers Skin-water proof and impenetrable if unbroken; acidity of sweat…
Slide 1 © 2012 Pearson Education, Inc. If the thymus failed to produce thymic hormones, which population of lymphocytes would be affected? a. B lymphocytes b. T lymphocytes…