http://classroom.kidshealth.org/classroom/9to12/body/systems/immune_system.pdf - 0 views
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Lottie Peppers on 02 Jun 16Germs are everywhere: in school, at home, at the gym, at the mall, even on your computer! You're constantly exposed to germs. Fortunately for most of us, our immune systems defend us against germs and microorganisms daily to keep us healthy and prevent infection. The following discussion questions and activities will help your students learn all about the immune system.