The three lines of defense your body has against disease include all except?
a. physical and chemical defenses b. inflammation c. immune system d. scarring true or false b cells and h cells are two important cells in the immune system that fight infection.
antibodies are produced by a. b cells b. t cells c. red blood cells d. lymph nodes 1. b 2. true 3. a can you check ? ?

How does drinking alcohol or using drugs put a person at risk for hiv infection? a.they improve judgment, which makes it more likely for people to engage in risky behavior. b.they impair judgment, which makes it more likely for people to engage in risky behavior. c.they impair judgment, which makes it less likely for people to engage in risky behavior. d.they improve judgment, which makes it less likely for people to engage in risky behavior.