Valve surrounding opening of coronary sinus is

_____ valve that guards the opening of coronary sinus in right artrium.

Which valve is present at the opening of coronary sinus?

The blood vessel which supplies oxygenated blood to cardiac tissue is 1. coronary artery 2. coronary vein 3. coronoary sinus 4. pulmonary vein

The cardiac phase between the closure of AV valves and opening of semilunar valves is

Name the following: The valve present in the opening of inferior vena cava

Chitinous plates surrounding the genital openings are known as…………. .

Choose correct option for cardiac activity– (i) Closer of tricuspid and bicuspid valve (ii) Semilunar valve opening (iii) Semilunar valve closing (iv) Opening of tricuspid and bicuspid valve

_____ valve guards the opening of inferior vena cave.