Write the feature that distinguish between the two : Sino-atrial node and Atrio-ventricular node
$SA$ node : It is a special type of muscular tissue formed in group of the wall of atrium. It initiates the heart beat.
$AV$ Node : Fibrous tissue located between right atrium and ventricle. Electric waves pass through it.
Trilobed valve present between right atrium and ventricle in mammalian heart is
Chordae tendinae are found in
In the heart of mammal the bicuspid valve is situated between
What is the function of nodal muscular tissue ?