Download I. Immunity

Starter Quiz
1. What is the title of the first section?
2. What is the title of the second section?
3. Behavior is anything an animal does in
response to a stimulus. True or False
4. What animal did Pavlov use in the 1900s to
demonstrate classical conditioning?
5. Name one fact you learned from the section
reading.
I. Immunity
A. Defending the body against antigens.
B. Antigen—foreign substance; example:
virus, bacteria, glass, wood
II. Immune System
A. Skin & Mucus: keeps antigens out of
the body
B. Lymphatic System: produces white
blood cells and antibodies
1. White blood cells: two types-T cells and
B cells
2. Antibody—protein that disables antigens
3. B cells—makes antibodies
4. T cells—helps make antibodies, kills
infected cells
5. Memory B cells—used if attacked again
by same antigen -Draw Fig 39.12 p 1037
III. Passive Immunity
A. Antibodies are not produced in the
person using them
B. Two ways to get passive immunity:
1. Antibodies move from mother to child
through placenta
2. Injecting the body with antibodies made
from an animal or other human
IV. Active Immunity
A. Antibodies produced when person is
exposed to antigen
B. Can be induced by a vaccine—a
weakened or dead antigen injected
into a healthy person.
C. Edward Jenner made the first vaccine
D. Not all antigens can be vaccinated for