Eustachian valve which is of no significance in the adult mammal, is a vestigial organ, a vestige of

  • A
    Spiral valve
  • B
    Sinus venosus
  • C
    Sino-auricular valve
  • D
    Semilunar valve

Similar Questions

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]

Heart.....

The pericardium and the pericardial fluid help in

In which chamber of heart, more blood is present?

What is called Mitral valve?