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
‘Bundle of His’ is a part of which one of the following organs in humans?
Chordae tendinae are found in
The heart continuous beating normally even when its nervous supply is completely obliterated because it is
Match the items given in Column $I$ with those in Column $II$ and select the correct option given below:
Column-$I$ |
Column-$II$ |
$(a)$ Tricuspid valve |
$(i)$ Between left atrium and left ventricle |
$(b)$ Bicuspid valve |
$(ii)$ Between right ventricle and pulmonary artery |
$(c)$ Semilunar valve |
$(iii)$ Between right atrium and right ventricle |
What is the function of valves in the heart?