Crowley County Combined Library

Your body is a fortress under constant assault. Infectious diseases, parasites, environmental toxins, physical trauma, allergens, and natural disasters are some external enemies it faces. From the inside, it is threatened by occasional overzealous allergic, immune, and inflammatory responses, as well as by the cellular mutations that produce cancer.

Explores how and why people get sick, and what they can do to help keep themselves strong and healthy. The basics of infectious and non-infectious diseases are covered, including a discussion of the immune system. Hands-on activity. Correlates to the National Science Education Standards for Life Science.