Unit 6 Diseases
Increase your awareness of your own health and your commitment
to it by completing a Health
Inventory and Personal
Chapter 17, Lesson 2
Understanding the Immune System
Learn more about the workings of the immune system here. What
are lymphocytes? How are T- and B-cells related to lymphocytes?
After studying this site, summarize what the immune system
does in a short paragraph.
Have you ever wondered how you get an infection? At this Web
site, you will learn about ways you come in contact with germs
and tips for helping your immune system stay healthy. After
you finish reading about infections, play the infection game.
Chapter 17, Lesson 3
How Lou Got the Flu
Infectious diseases spread from person to person and even
from animal to people. The flu virus is a microscopic hitchhiker
that can travel great distances in relatively short amounts
of time. For example, you can trace Lou's flu back to Chinese
ducks. Try to remember the last time you had the flu. Who
had it before you? Did anyone catch it after you did? Create
a chart that traces your flu as it might have traveled through
your friends and family.