Article
Khan Academy

Khan Academy: Signal Propagation: The Movement of Signals Between Neurons

For Students 9th - 10th
This article explains how the nervous system transmits signals along and between neurons.
Activity
Nature Research

Nature Education: Scitable: Essentials of Cell Biology

For Teachers 9th - 10th
Explains how cells send and receive signals. Includes a quiz that can be completed after free registration.
Handout
York University

York University: How Neurons Talk to Each Other

For Students 9th - 10th
York University provides a good site on the physiology of nerve transmission. Embedded vocabulary help is available if you need it.
Unit Plan
National Cancer Institute at the National Institutes of Health

Seer Training Modules: Introduction to the Nervous System

For Students 9th - 10th
Self-guided learning activity where students learn about the structure and function of the human nervous system. There is a short quiz at the end of the lesson to check for understanding.
Unknown Type
BioEd Online

Bio Ed Online: The Brain: Pre Assessment

For Teachers 9th - 10th
The brain has unique physical characteristics and it is specialized into many different areas, each with a different job. Brain functions and abilities develop over time. Assess student's knowledge of the structure of the brain by having...