Biology Feb. 2, 2015

•OBJECTIVE: Students will describe and explain orally and in writing how body protects itself from infectious diseases.

•W.O.D. Tortuous-winding, twisted

•WARM-UP

1. How do the skin and mucus membranes protect the body from pathogens?

2. What are antigens

HW

Complete Biology IA

CW

Using the text and the internet, make notes on the following mini topics related to the body’s defense:

1.The body’s primary line of defense (skin & mucus membranes).

2.The formation of blood clots (how, when, and why)

3.The second line of defense (when pathogens do get in the body)

4.The third line of defense immunity (passive, active, artificial, natural, immunity) [chapter 11]

5. Describe antibody production

6. Explain how antibodies work.

7. Explain the difference in function between lymphocytes and phagocytes

8. Role of memory cells and plasma cells in immunity

9. Describe and explain how active immunity works.