sympathetic. Apex
Stimulation of the vagus nerve decreases heart rate. The vagus nerve is an important part of the parasympathetic nervous system.
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
Circulatory system and Cardiovascular system
The cadiovascular system, sometimes called the circulatory system when it includes the lymphatic system.
nervous system
The heart is a part of the nervous system
sympathetic nervous system
The 'fight or flight' system also called the sympathetic system causes this response.
each and every part of body is controlled by the nervous system.
The baroreceptor is part of the autonomic nervous system. It increases actions regulated by the nervous system, such as heart rate and blood pressure.
the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
sympathetic system
The autonomic nervous system is a division of the peripheral nervous system that controls automatic responses in the body, such as the heart rate, hormone levels, gastrointestinal functions, and metabolism.
Parasympathetic division
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The nervous system The central nervous system
There are two parts of the autonomic nervous system-the sympathetic and the parasympathetic. The sympathetic nervous system initiates the fight-or-flight response, which increases heart rate, blood pressure, and cardiac output.