Intriguing and incredibly unique, Octopuses are cephalopods with three hearts that pump blue blood throughout their eight tentacles. These intelligent sea creatures have multiple brains. Nine, to be ...

Nervous system organs Your brain is like a supercomputer that controls every function in your body. Weighing 3 pounds on average, this organ is responsible for your mental abilities, such as ...

Learn about the autonomic nervous system. Discover different health problems and symptoms that can affect this system.

Nature showcases diverse nervous systems beyond a single command center. Several animals, including octopuses, leeches, and starfish, have evolved multiple brain-like organs or distributed nerve ...

Researchers describe a previously unknown component of brain anatomy that acts as both a protective barrier and platform from which immune cells surveil the brain for infection and inflammation.

The central nervous system consists of the brain and spinal cord. The central nervous system controls thought, movement, and emotion, as well as breathing, heart rate, hormones, and body temperature.

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 ...

Human Anatomy - Nervous System Click on the labels below to find out more about your nervous system and senses. Your spinal cord can be divided into four sections shown in green, blue, pink and ...

We asked brain experts to explain how high stress can impact our nervous system and to provide easy ways to regulate your nervous system.