The peripheral nervous system is the part of the nervous system outside the brain and spinal cord. It consists of nerves that carry information between the central nervous system and the extremities ...

What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and around ...

Two thousand years ago, Celsus defined inflammation as involving four cardinal signs: dolor (pain), calor (heat), rubor (redness) and tumor (swelling), an observation indicating that activation of the ...

The nervous system has two major parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The central system is the primary command center for the body, and is comprised of the ...

The nervous system of an animal coordinates the activity of the muscles, monitors the organs, constructs and also stops input from the senses, and initiates actions. The nervous system of vertebrate ...