by Miller & Levine
[complete Table of Contents]
the pull-down menu to jump to any of the Book's 40 Chapters:
- Severe Acute Respiratory Syndrome.
A web page with the latest information about this new health threat.
article on interferons and other anti-virus drugs, from the November 2001
issue of Scientific American.
American article on the annual medical battle against the flu, featuring
the role that the flu vaccine plays in fighting the disease.
THE IMMUNE SYSTEM AND DISEASE
In this chapter,
students will read about the various types of human disease and how infectious
diseases are spread. They will also read about how the immune system protects
the body from disease, autoimmune diseases, and cancer. The links below
lead to additional resources to help you with this chapter. These include
Hot Links to Web sites related to the topics in this chapter, the Take
It to the Net activities referred to in your textbook, a Self-Test you
can use to test your knowledge of this chapter, and Teaching Links that
instructors may find useful for their students.
are inherited. Others are caused by materials in the environment.
Still others are produced by organisms such as bacteria and fungi.
diseases are spread from one person to another through coughing, sneezing,
or physical contact. Other infectious diseases are spread through
contaminated water or food. Still others are spread by infected animals.
40-2: The Immune System
Your body's most
important nonspecific defense is the skin.
response is a nonspecific defense reaction to tissue damage caused by
injury or infection.
Once the body
has been exposed to a pathogen, millions of memory B and T cells remain
capable of producing specific antibodies to that pathogen.
40-3: Immune System Disorders
When the immune
system makes a mistake and attacks the body's own cells, it produces an
when something goes wrong with the controls that normally regulate cell
growth and division.
cancer fall into three general categories: surgery, radiation therapy,
and drug therapy.