The Nervous System
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The nervous system consists of a highly specialized network of cells called neurons that transmit electrochemical signals throughout the body; there are a hundred billion neurons in the brain alone. This section highlights the best places on the Web to learn about the human nervous system, from how the five senses work to technical aspects such as the mechanism by which action potential transmits sensory input to the brain.
- Most of these sites contain impressive graphics. If you’re searching the subject purely out of curiosity, visiting various sites to view the illustrations can give you a fascinating introduction to the topic.
- The nervous system’s billions of sensors’ responses to stimuli are all interpreted in the brain. To find out more about how the brain works, visit the findingDulcinea Science of the Brain Web Guide.
Whether you’re teaching a class about the systems of the body or simply looking to reassure ... read more »