Sympathetic nervous system: Carries out your body’s “fight or flight” functions Parasympathetic nervous system: Carries out your body’s “rest and digest” functions ...

Because C. elegans is so tiny -- adults are just one millimeter long and have only about 1,000 cells -- its simple nervous system of a few hundred neurons (302 in the hermaphrodite/female sex, 385 ...

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 ...

Stimulus → receptor → coordinator → effector → response The diagram summarises how information flows from receptors to effectors in the nervous system.

The central nervous system is made up of the brain and spinal cord. It gathers information from all over the body and coordinates activity. We explore the types of cells involved, the regions of ...

Like all body systems, the nervous system goes through inevitable age-related changes, including a loss of brain cells, but ageing does not necessarily lead to confusion or dementia Abstract The ...