Learn here about the basic structure and function of the nervous system.

This online biology book chapter offers definitions and descriptions of the nervous system's components.

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.

Easy-to-understand notes and large graphics on the endocrine system include the evolution of the endocrine system and feedback cycles. Hormones and the nervous system are also discussed.

In this module, learn about the components that generate the sympathetic and parasympathetic responses of the autonomic nervous system.

Students learn about the structure and function of the human digestive system, the accessory digestive organs, the tissue layers of the alimentary canal, the contributions of the enteric and autonomic nervous systems to digestive system...

Students learn to identify the type of cells that make up nervous tissue.

The parts of the brain and the anatomy of the nervous system and how they function are explained. An interactive diagram shows the location of various parts of the brain from three different perspectives, and summarizes what each does....

Nervous system practice questions.

Provides a discussion of the two parts of the nervous system: peripheral nervous system, and central nervous system. Also illustrates how signals travel through nerves.

This article explains how the nervous system transmits signals along and between neurons.

Suitable for upper elementary and up, this is a thorough explanation of what alcohol does to the body and nervous system. Includes information about fetal alcohol syndrome and links to further information.

Learn about the basic organization of the body's organs and the major organ system.

Messages within the brain and the rest of the nervous system are sent very rapidly. These messages are conducted by cells called neurons. Neurons are specialized to receive and transmit message and neurons are connected in networks. In...

This website from the University of Washington is divided into three sections: "History of Cocaine," "Effects of Cocaine on the Nervous System," and "The Brain on Cocaine." Read interesting facts about the use of cocaine before it became...

Learn about the anatomy of the human brain.

Students learn how the different stages of embryonic development relate to the adult structures of the central nervous system, and understand the growth and differentiation of the neural tube.

When you breathe, you transport oxygen to the body's cells to keep them working, while also clearing your system of the carbon dioxide that this work generates. How do we accomplish this crucial and complex task without even thinking...

A broad overview of the mammalian endocrine system. Lists the major glands and the function of each. Includes a list of abbreviations and their meanings frequently found in high-level endocrine literature.

Build nerve cell models in cooperative groups, and articulate the structure and function of nerve cells to explore the nervous system. Describe specific elements of human physiology by "advertising" the nervous system in nerve cell...

This lesson describes the function and components of the human nervous system. It helps students understand the purpose of our brain, spinal cord, nerves and the five senses. How the nervous system is affected during spaceflight is also...

Throughout the day, your nervous system monitors and makes endless adjustments to your body's basic systems--all to keep you alive. This interactive feature illustrates the complexity of such a task.

Describes anatomical features of a spider, including its external structure, eyes, mouth parts, digestive system, circulatory system, respiratory system, nervous system, reproductive system, and its spinnerets.

How do you know when your hand touches something? How do you know if something brushes against your shoulder? Think about your fingertip, arm, and back. In which of these places might your nerves be closer together? Review the concept of...