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The parasympathetic nervous system serves as the "rest and digest" system, which results in vasodilation of the peripheral vessels. This results in an overall decrease in blood pressure :)

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What would the parasympathetic nervous system do to the myocardial contraction strength?

Decrease it


Which part of nervous system cause increase salivary secretion?

Parasympathetic


How does nasal breathing activate the parasympathetic nervous system?

Nasal breathing activates the parasympathetic nervous system by stimulating the vagus nerve, which helps to regulate heart rate, digestion, and relaxation responses in the body. This can lead to a decrease in stress and an increase in overall feelings of calmness and well-being.


Sympathetic and parasympathetic nervous system's are subdivisions of what nervous system?

The sympathetic and parasympathetic nervous systems are subdivisions of the autonomic nervous system.


What is the sympathetic effect on the heart?

Heart rate increases with sympathetic nervous system. There is increase in stroke volume and cardiac output. With stimulation of vagus nerve or parasympathetic nervous system, You have decrease in heart rate. There is decrease the stroke volume and cardiac output.


Does the parasympathetic nervous system increase or decrease heart rate?

Both the parasympathetic and sympathetic nervous systems innervate the heart. The parasympathetic nervous system functions in regulating heart rate through the vagus nerve, with increased vagal activity producing a slowing of heart reate. The sympathetic nervous system has an excitatory influence on heart rate and contractlitiy, and it serves as the final common pathway for controlling the smooth muscle tone of the blood vessels. Reference: Porth, C M (2007) Pathophysiology Concepts of Altered Health States, 2nd Ed. (p. 344) Lipponcott Williams & Wilkins, Philadelphia


Does the parasympathetic nervous system increase or decrease digestive activity?

The parasympathetic nervous system increases digestive activity. It stimulates processes such as salivation, gastric secretion, and intestinal motility, promoting digestion and absorption of nutrients. This system is often referred to as the "rest and digest" system, as it helps the body conserve energy and focus on digestion during restful states.


What does the parasympathetic nervous system stimulate in the micturition reflex?

The parasympathetic nervous system allows the act of micturition. The sympathetic nervous system inhibits it.


What process does the parasympathetic nervous system not stimulate?

The parasympathetic nervous system does not stimulate the fight or flight response.


What part of the autonomic nervous system causes an increase in digestive tract mobility?

Stimulation of the Parasympathetic nervous system causes an increase in digestive tract mobility. When stimulated the parasympathetic post-ganglionic neurons release a hormone called Acetylcholine. This causes the Digestive tract to increase its contractions. Counteracting this increase in digestive tract mobility is the sympathetic nervous system, which releases a hormone called noradrenaline which slows down the digestive tracts contractions. This is how the Parasympathetic Nervous System gets the name "rest and digest"


What effect would a drug that blocks the parasympathetic nervous system have on peristalsis in the GIT?

increase motility


Why is the parasympathetic nervous system important?

autonomic The parasympathetic nervous system is part of the nervous system.