Semilunar valves close when

Read the given statements and select the correct option w.r.t. true and false : (a) Duration of each cardiac cycle is 0.8 seconds which can be altered in fear or fight conditions, (b) Rapid passive ventricular filling takes place when auricles are in diastole and auriculoventricular valves remain closed, (c) Semilunar valves open when intraventricular pressure exceeds the pressure within aorta, (d) Sinoatrial node comprises of autoexcitable tissue.

Read the given statements and select the correct option w.r.t. true and false : br (a) Duration of each cardiac cycle is 0.8 seconds which can be altered in fear or fight conditions, br (b) Rapid passive ventricular filling takes place when auricles are in diastole and auriculoventricular valves remain closed, br (c) Semilunar valves open when intraventricular pressure exceeds the pressure within aorta, br (d) Sinoatrial node comprises of autoexcitable tissue.

What will happen during the ventricular systole? a. Bicuspid and tricuspid valves are open b. Bicuspid and tricuspid valves are closed (c ). Semilunar valves are open d. Semilunar valves are close

Which is correct about joint diastole? a. Bicuspid and tricuspid valves are open b. Bicuspid and tricuspid valves are closed c. Semilunar valves are open d. Semilunar valves are closed

Which is correct about joint diastole? a. Bicuspid and tricuspid valves are open b. Bicuspid and tricuspid valves are closed c. Semilunar valves are open d. Semilunar valves are closed

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

Semilunar valves of heart open during