Web Link Exercises
Unit 6 Diseases and Disorders
Chapter 17, Lesson 2
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
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.
Chapter 18, Lesson 2
Institute of Environmental Health Science - Asthma and Allergies
Allergies are caused by your immune system reacting to irritations
from substances in the environment. Allergies make you cry,
sneeze, and in more serious cases put your body into shock.
Find out what environmental factors can lead to allergies
and asthma attacks. On the left side of the page, click on
"Air and Your World Indoors" and play the interactive
matching "Dust Game."
and Allergy Foundation of America (AAFA)
Asthma is the leading cause of chronic illness among children
and teens, and the number of children affected by asthma continues
to grow rapidly each year. Click on "Asthma & Allergies"
and create a chart using 5 facts you learned about each condition.
Chapter 18, Lesson 3
Facts for Kids
Cancer is characterized by malignant tumors that invade the
body. There are over a hundred different types of cancer.
Find out what causes cancer and demonstrate your knowledge
by creating a booklet using the information you find on this
Chapter 18, Lesson 4
It's a fact: Lack of physical activity is a risk factor for
heart disease. At this Web site, you will learn how to lower
your risk of heart disease and recognize warning signs of
heart attack and stroke. Click on the "Exercise &
Fitness" link in the "Healthy Lifestyle" area.
Create a poster that shows how people can increase physical
activity in their daily lives to help lower their risk of