The peripheral nervous system (PNS) is the system of nerves and ganglia outside the brain and spinal cord. The PNS consists ...

Imagine that you’ve never been to Earth. You visit first in winter, where someone introduces you to water. From a glass, they pour it out over your hand. You drink. Remarkable. Imagine that you walk ...

How Does the Nervous System Work? The messages traveling in your nerves are sent through billions of nerve cells called neurons. The spaces between these cells are called synapses. The cells are ...

Rejji Kuruvilla is a Professor of Biology and Vice Dean for Natural Sciences who studies the development and maintenance of ...

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 ...