Why do we call our heart myogenic? | NCERT solution | Class 11 Biology | Unit-18 Body Fluids and Circulation



Q.9:- Why do we call our heart myogenic?

 

Answer:-



The heart of molluscs and vertebrates including humans is myogenic. It means heart beat is initiated in heart itself by a patch of modified heart muscle called sino-atrial node or pacemaker which lies in the wall of the right atrium near the opening of the superior vena cava.