Download 40-2 The Immune System

40-2 The Immune System
A. Nonspecific Defenses
1. What system is the body’s primary defense against pathogens?
2. First Line of Defense
a. What is the job of the body’s first line of defense?
b. What is the body’s most important nonspecific defense?
c. What is the purpose of dead cells at the skin’s surface?
d. How does the skin defend against or kill bacteria?
e. What can happen when your skin is broken?
3. Second Line of Defense
a. When pathogens enter your body, where are the toxins released?
b. What is the body’s second line of defense?
c. What is the inflammatory response?
d. How do white blood cells fight infection?
e. What is another name for the white blood cells that engulf and
destroy bacteria?
 What are the body’s 2 major nonspecific defenses against invading pathogens
(hint: first line of defense and second line of defense)?
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