Each learning path is one chapter: a guided route through a topic, one small course at a time. Pick a class to see its chapters in order.
You are made of cells, and so is a tree and a mushroom. What is inside one cell? How does it eat, breathe and keep its shape? In this chapter we look at the cell, its parts and the jobs of the parts. Then we see how water and food move in and out. We use Python to measure cells and to watch particles spread.