Learn about the sympathetic nervous system and the parasympathetic nervous system, including what they do and how their functions affect the human body.

Sympathetic & Parasympathetic Your sympathetic nervous system is known as your fight-or-flight division. It takes control of the body when you are under stress.

Check your understanding of sympathetic and parasympathetic nervous systems using this interactive quiz. Use the worksheet to identify study points...

Learn about the sympathetic & parasympathetic nervous systems with our 5-minute video lesson. Master its roles in the body and take an optional quiz at the end!

Learn about the sympathetic nervous system definition and function, and read about the sympathetic effects and arousal in the nervous system when activated.

The sympathetic nervous system is activated in response to emergencies and prepares the body to address a threat. What stimulates the parasympathetic system?

The process is dominated by the sympathetic nervous system, which causes the contraction of the pelvic floor muscles and releases semen.

Positive and negative feedback play a role in the sympathetic and parasympathetic nervous system. Explore types of feedback, the difference between positive and negative feedback, …

The sympathetic nervous system is the division of the autonomic nervous system that prepares the body for heightened activity and is associated with increased metabolic output.

The sympathetic nervous system is ______. a. Is part of the somatic nervous system. b. Has cholinergic preganglionic and adrenergic postganglionic fibers. c. Originates in the thoracic …