Researchers describe the first complete wiring diagram of the nervous system of an animal, the roundworm Caenorhabditis elegans, used by scientists worldwide as a model organism. The study includes ...

This article discusses the autonomic nervous system, which is responsible for involuntary reactions such as heart rate, blood pressure and respiration. This is a Self-assessment article and comes with ...

The nervous system, essentially the body’s electrical wiring, is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body.

What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and around ...

More than 30 years ago a team of scientists painstakingly traced the connections among each of the 302 nerve cells in the hermaphrodite Caenorhabditis elegans worm. But it took until now for someone ...

The nervous system controls the activities of all body organs and tissues, receiving input from sensory organs and responding via effector organs. With around 100Â billion interconnected neurons, the ...

Neurons, also known as nerve cells, send and receive signals throughout your nervous system. While neurons have a lot in common with other types of cells, they’re structurally and functionally unique.