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Question
The name of the pacemaker of the heart is
The name of the pacemaker of the heart is
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Solution
The correct option is B SA node
SA node is known as the natural pacemaker of heart which is located in the upper right corner of the right auricle and is self excitatory. Lymph nodes are the mass of lymphatic tissue located along the course of a lymphatic vessel and serve as secondary lymphatic organs wherein lymphocytes are activated by their exposure and binding to antigen. Juxtaglomerular apparatus is located in the walls of arterioles near the glomerulus and serves to regulate the renal blood flow. Semilunar valves, the valves present between ventricles and their attached vessels, serve to prevent the backflow of blood to ventricles from their respective attached vessels. Therefore, the correct answer is option B.
SA node is known as the natural pacemaker of heart which is located in the upper right corner of the right auricle and is self excitatory.
Lymph nodes are the mass of lymphatic tissue located along the course of a lymphatic vessel and serve as secondary lymphatic organs wherein lymphocytes are activated by their exposure and binding to antigen.
Juxtaglomerular apparatus is located in the walls of arterioles near the glomerulus and serves to regulate the renal blood flow.
Semilunar valves, the valves present between ventricles and their attached vessels, serve to prevent the backflow of blood to ventricles from their respective attached vessels.
Therefore, the correct answer is option B.
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