Mixing up of arterial and venous blood does not take place in a heart having
Two chambers
Four chambers
Three chambers
None of the above
What is the function of nodal muscular tissue ?
In the heart of mammal the bicuspid valve is situated between
The pericardium and the pericardial fluid help in
Definition / Explanation :
$(1)$ Semi lunar valve
The coronary sinus in the heart is situated along its