The sympathetic nervous system is your body's built-in alarm system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sympathetic nervous ...

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 ...

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 ...