11 Interesting Facts About the Brain and Nervous System Medically reviewed by Heidi Moawad, M.D. — Written by Erica Cirino — Updated on January 21, 2025 The nervous system is the body’s ...

The nervous system can transmit nerve impulses as fast as 100 meters per second, and in some cases, the speed of transmission is around 180 miles per hour A man's brain has 6.5 times more grey matter ...

Grab a stress ball and check out these 10 facts. 1. ... Yoga, meditation, and similar activities can help relax your nervous system, which helps calm you down and relieves stress overall, ...

Here are 10 facts you may not know about your gut. 1. ... Some scientists see it as part of the central nervous system, while others consider it its own entity.

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

So your parasympathetic nervous system, which helps you calm down, relax, and rest, is “unable to exert any significant control over how you are feeling, thinking, or behaving,” Ho says.

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 ...

If you're reading this, your nervous system is online. Nerves — bundles of fibers that start in the brain and spinal and branch out to every part of the body — are what allow us to move ...

Lampreys have ‘fight or flight’ cells, challenging ideas about nervous system evolution. These sympathetic nervous system cells were thought to be lacking in jawless vertebrates ...