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Get Answers to all your Questions
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The nodal tissue located in the lower left corner of right atrium is
Option: 1
SA node
Option: 2
AV node
Option: 3
AV bundle
Option: 4
Purkinje fibres
Answers (1)
Conducting system of the human heart
- In human heart, small groups of specialised neuromuscular cells are present within the myocardium.
- These neuromuscular cells initiate and conduct nerve impulses due to which a coordinated and synchronised contraction of the heart muscles is seen
- The components of conducting system of human heart includes sinoatrial node or SA node, Atrioventricular node or AV node, Bundle of His and Purkinje fibres
wherein,
Atrioventricular node or AV node
-
It includes a mass of self excitatory tissue located in the wall of atrial septum near the atrioventricular valves.
-
Generally, it works on stimulation by SA node, but it is also capable of initiating its own impulses.
-
It is also called as the pace setter of human heart
Hence, the correct answer is option b.
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