Written by Aunice Yvonne ReedOrganisms are able to live and keep a stable internal state of equilibrium due to in large part, its efficiency in handling and responding to changes such as temperature and blood gas concentration, as well as the presence of danger in the external world. Changes taking place inside the body or in the external environment which are recognizable by an organism are collectively referred to as stimuli. Actions occurring as a result of incoming stimuli are made possible through the interconnected network of specialized cells called neurons, which ultimately work to conduct neuronal impulses and chemical messages.
To thoroughly understand how the human nervous system functions, you’ll need to also know something about its structure, which is referred to as neuroanatomy. Relating strictly to neurological functioning, neurophysiology frequently overlaps, as it is difficult to discuss one without mention of the other. Read more on HubPages