In this unit, students are introduced to what germs are and how they spread. They also learn how to keep germs away. Next, we move into learning about teeth. Students learn all about teeth including what types of teeth, what teeth do, and how to take care of them. They watch videos and play with apps that let them practice brushing teeth. Finally, students learn about lice and how it spreads. They learn about how to keep lice away and how to be a kind friend to someone who had lice but got them taken care of.