The pericardium and the pericardial fluid help in

  • A

    Protecting the heart from friction, shocks and keeps it moist

  • B

    Pumping the blood

  • C

    Receiving the blood from various parts of the body

  • D

    None of the above

Similar Questions

Write the feature that distinguish between the two : Sino-atrial node and Atrio-ventricular node 

The heart of a healthy man beats normally per minute

In the heart of mammal the bicuspid valve is situated between

Draw a labelled diagram showing internal structure of heart.

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

  • [NEET 2018]