Classroom Resources

This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.

This tutorial describes how neurons generate action potentials, and how scientists measure neuronal activity and record the firing of individual neurons.

This animation shows how neurons send and receive signals to communicate with one another at contact points called synapses.

This interactive, modular lab explores techniques for identifying and recording the electrical activities of neurons, using the leech as a model organism.