teaching this lesson, it will be useful to refer to the
Pages before you begin, to give you vital information
associated with the unit. You will need an Authorware Web Player
plug-in for the Activity and Test Your Knowledge sections.
If your computer does not have the plug-in, Click
here for the plug-in.
The first line of defense against environmental hazards is your
skin. However, there are hazards that can and do penetrate the
skin to harm your health. In this lesson you will learn about
three kinds of environmental hazards that can penetrate the skin to
harm your health.
By the end of this lesson you should be able to:
- Identify common means for minimizing your risk
to exposure to pesticides and herbicides
- Identify common diseases caused by parasites
or the diseases carried by parasites
- Identify important ways to protect yourself from
the sun's ultraviolet rays
by clicking on the "Pre-Test" link to the left, then
proceed with the rest of this unit by clicking on the
"Lesson" link to the left. When you get to the
lesson guides, read each one. When you are finished, return to
this page to continue on to the activity and then to the post-test.