The vagus nerve does it all—tells your lungs to breathe, controls your heart rate, and even forms the foundation for a whole ...

Myelinated neurons transmit electrical signals more quickly than the unmyelinated nerves in the body. Myelinated axons are present in sensory neurons and motor neurons, but not all sensory and motor ...

The CNS includes the brain and spinal cord, and the PNS is made up of all the body’s remaining nerves. The PNS can also be subdivided into smaller components: the somatic and autonomic nervous systems ...

The nervous system is the body’s direct communication system. It’s made up of the body’s many nerve cells. These cells work together in a network that sends and receives signals from one ...

While the central nervous system is comprised of the brain and spinal cord, the peripheral nervous system is made up of all nerves branching off the spinal cord, extending to every part of the body.