I Am JohnS Heart | Heart About Itself

Heart of heart is:

"Heart of heart" is:

Complete Double Circulation OF Heart || Pulmonary And Systemic Conducting System OF Heart || Heart Rate || Regulation OF Heart Rate

What is weight of human heart and heart beat rate ?

I am always the companian of doctor. Doctors can hear the heart beat with my help. Who am I?

Assertion : If all external nerve supplies to a human heart are cut there will be no effect on the heart beat. Reason : Human heart is a myogenic heart.

Assertion :- If all external nerve supplies to a human heart are cut there will be no effect on the heart beat. Reason:- Human heart is a myogenic heart.