Unit 5 Understanding
Increase your awareness of your own health and your commitment
to it by completing a Health
Inventory and Personal
Chapter 14, Lesson 1
American Academy of Dermatology
Today, magazines and TV shows are flooded with advertisements
for skin care products. It seems that skin care has become
as basic as brushing your teeth in the morning. But how much
do you really know about caring for your skin? Did you know
that waterproof sunscreen can make your skin break out? Do
you know the difference between UVA and UVB rays? To find
out, visit this site and learn about sunscreens, athlete's
foot, rashes, and much more.
Does chocolate really cause breakouts? Does sunlight really
help clear acne?This site dispels common myths and misconceptions
about acne and offers advice on treating this common skin
problem. In your own words, write a brief report on what causes
acne and how to treat it.
CDC: Choose Your Cover
What do a hat, a beach umbrella, and sunscreen have in common?
They all help to protect your skin from the sun. Visit this
Web site to learn about the sun's ultraviolet rays, the risk
factors for skin cancer, and ways to protect your skin. What
are the three major types of skin cancer? Who is at risk for
skin cancer? How can skin cancer be prevented?
Chapter 14, Lesson 2
You probably already know the basics of tooth care: brushing
and flossing. But do you know what really causes cavities
and why it's so important to keep your teeth healthy? Make
a list of ways you can prevent cavities from ever forming.
For fun, also try one of the experiments listed under "Experiments
American Dental Hygienists Association
When you think of all the times you use your teeth each day-for
eating, talking, and smiling-you realize why healthy teeth
are so important. At this Web site, click on the "Oral
Health Info" link to learn how to take care of your teeth
and gums by eating healthful foods and brushing and flossing
properly. What are the warning signs of periodontal disease?
How can this disease be prevented?
Chapter 14, Lesson 3
Seeing, Hearing, and Smelling the World
The brain sends and receives messages through a network of
nerves. This network is like a complex highway system and
sometimes the brain can be fooled into making a wrong turn.
Read the first article about illusions and learn how the brain
can be fooled by common visual signals.
Dissecting a Cow's Eye
By now you might have seen quite a few textbook illustrations
of the eye, but have you ever wished you could just take it
apart to see what makes it tick? Well, now you can. Learn
the different parts of the eye by following this step-by-step
dissection of a cow's eye. Listen to audio explanations as
you view the photos.