The Immune System The Immune System The body’s defense The body’s defense 1. Nonspecific 1. Nonspecific 2. Specific 2. Specific Cell mediated Cell mediated.
Recombinant DNA technology. Biotechnology And Recombinant DNA (rDNA)
CHAPTER 43 THE BODY’S DEFENSES Section A: Nonspecific Defenses Against Infection 1.The skin and mucus membranes provide first-line barriers to infection.