The pericardium and the pericardial fluid help in
Protecting the heart from friction, shocks and keeps it moist
Pumping the blood
Receiving the blood from various parts of the body
None of the above
The heart continuous beating normally even when its nervous supply is completely obliterated because it is
Heart.....
‘Bundle of His’ is a part of which one of the following organs in humans?
Chordae tendinae are found in