How does it happen? What occurs in the heart/blood vessels? Which scenarios or external factors would cause the parasympathetic nervous system to activate this response?

Nervous system

Initial post: For your first discussion post, describe how the parasympathetic nervous system influences one function in your body. For example, the parasympathetic nervous system causes decreased blood pressure.

If you chose this body function, you would describe the physiology behind the decreased blood pressure.

How does it happen? What occurs in the heart/blood vessels? Which scenarios or external factors would cause the parasympathetic nervous system to activate this response?

Second post: Discuss the sympathetic nervous system’s influence on a different function in your body.

Posts have a 5 sentence minimum requirement. Posts can be worded simply. Require reference cites used.