The nervous system is the body’s ... nerves in the brain and spinal cord. The sensory and motor nerves that run through the extremities and internal organs are defined as the PNS.

The conditions are controlled in two ways with chemical and nervous responses ... and stimulate electrical impulses in response. Sense organs contain groups of receptors that respond to specific ...

The human brain, an intricate organ, is hardwired for survival. It’s the command center for the nervous system, receiving ...

During the perception of external stimuli, sense organs work as transducers; various physical stimuli are converted into electronic signals though receptor organs and/or receptor cells, which are ...

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

The branches of the vagus nerve enable the organs to adjust instantly ... that pain is a necessary piece of sensory information—it alerts the nervous system to direct behavior so as to avert ...

A study led by Nikita Komarov and Simon Sprecher at the University of Fribourg, Switzerland, has discovered neurons in the ...

The nervous system is comprised of two primary cell ... ultimately connecting neurons with other nerve tissue, muscle tissue, or sensory organs (Figure 1A). For example, some motor neurons in ...