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This lesson is designed to serve as an introduction to the immune system. It can stand alone or it can lead into further studies of the immune system.

Over $20 per group Ages 14 - adult 2 to 4 hours
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In this activity (p.3-4 of PDF), learners learn about disease transmission and antibiotic resistance.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes