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 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 ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

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 ...

Your autonomic nervous system (ANS) is the part of your central nervous system (CNS) that controls unconscious activities like breathing and digestion. This system is always working, whether or not ...

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 limbic system helps regulate emotional and social processing, as well as learning, motivation, and memory. It consists of structures that lie beneath the outer, wrinkly part of the brain and above ...

The cerebellum is traditionally regarded as a structure involved in motor control, but it is becoming increasingly clear that it also has an important role in processing higher level 'cognitive' ...

The anatomy and histology of the adult Argas (Persicargas) arboreus central nervous system are described and compared with these properties in other ticks. The single, integrated, central nerve mass ...