‘Bundle of His’ is a part of which one of the following organs in humans?
Brain
Heart
Kidney
Pancreas
What is the function of nodal muscular tissue ?
The heart of a healthy man beats normally per minute
Describe external structure of heart.
Purkinje fibres are present in
Definition / Explanation :
$(1)$ $AV$ valve (Tricuspid)
$(2)$ Mitral (Bicuspid) valves