What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart? | NCERT solution | Class 11 Biology | Unit-18 Body Fluids and Circulation



Q.11:- What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?

 

Answer:- 



AV Node and AV Bundles are responsible for conduction of heart beat to different parts of the heart after initiation in the SA node.