Teaching about cell transport mechanisms in high school biology is a challenge because it is such a visual topic! Students need to really SEE how the processes work. Use this resource to help you teach about osmosis, diffusion, active transport, endocytosis, exocytosis, and facilitated diffusion.Animations work really well for teaching about these mechanisms but I find my students still need a great visual handout that they can examine, analyze, and keep in their notebooks to study from. So I