Build up your gut. Groups up to four play a card game to learn more about the microbiome in the gut. Learners try to build a healthy gut with their cards. The player acquiring six microbes without any pathogens wins the game. 

In the preceding activity from the unit, beginning biologists discovered that microorganisms are everywhere, so the question follows, why are we not sick all of the time? Class members read and discuss an article in small groups about...

The human immune system has various ways of responding to an infection caused by bacteria or viruses. Our bodies produce proteins (antibodies) that are highly specific for the infectious agent as a part of our "humoral" immune response....

Short, colorful movies explain each of the body's systems: skeletal, cardiovascular, digestive, urinary, respiratory, endocrine, skin, immune, muscular, and nervous. Once you've seen the movie, click on the Activity Page link for...

Manipulate characteristics of fictional diseases and see how the changes effect a population. Simulator includes a data table available for download for student records.