This article discusses the autonomic nervous system, which is responsible for involuntary reactions such as heart rate, blood pressure and respiration. This is a Self-assessment article and comes with ...

Your autonomic nervous system (ANS) is the part of your central nervous system (CNS) that controls unconscious activities like breathing and digestion. This system is always working, whether or not ...

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 ...

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 conditions inside our body must be carefully controlled if the body is to function effectively. The conditions are controlled in two ways with chemical and nervous responses. A long fibre (axon) ...

The conditions inside our body must be carefully controlled if the body is to function effectively. The conditions are controlled in two ways with chemical and nervous responses. A bundle of neurones ...

The nervous system is the system of nerves which travel throughout the body passages messages via electrical impulses. The brain is key to the nervous system and provides the processing power to make ...

IN no part of the body is the relation of form and function so clear as in the central nervous system. Modern neurology owes its present position to advances in knowledge which have come from many ...

Late in pregnancy, the human body carefully prepares fetuses for the rigors of life outside the protection of the womb. Levels of cortisol, a stress hormone, ramp up and spike during labor.