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What happens to your heart rate when you innervate your vagus nerve?
Stimulation of the vagus nerve decreases heart rate. The vagus nerve is an important part of the parasympathetic nervous system.
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
Organization of the cardiovascular system and heart?
Circulatory system and Cardiovascular system
What system is the heart apart of?
The cadiovascular system, sometimes called the circulatory system when it includes the lymphatic system.
An earthworm has an anterior ganglion This structure is part of the?
nervous system
