What is the function of nodal muscular tissue ?
Definition / Explanation :
$(1)$ $AV$ valve (Tricuspid)
$(2)$ Mitral (Bicuspid) valves
Give difference : Atrium and Ventricles
Definition / Explanation :
$(1)$ Semi lunar valve
In the heart of mammal the bicuspid valve is situated between
Draw a labelled diagram showing internal structure of heart.