The coronary sinus in the heart is situated along its
Left margin
Right margin
Diaphragmatic surface
Lower boarder of the heart
Spiral valve is present in
The heart continuous beating normally even when its nervous supply is completely obliterated because it is
What is called Mitral valve?
Mixing up of arterial and venous blood does not take place in a heart having
‘Bundle of His’ is a part of which one of the following organs in humans?