Heart sound which is longer is

Read the following statements carefully and select correct choice from below: (a) First heart sound lub is produced due to closure of atrioventricular valves, (b) First heart sound is of longer duration than second heart sound dub.

Read the following statements carefully and select correct choice from below: br (a) First heart sound lub is produced due to closure of atrioventricular valves, br (b) First heart sound is of longer duration than second heart sound dub.

At the instant following the second heart sound,which heart valves are open ?

Second heart sound is

Second heart sound is

First heart sound is :-

Fill in the blanks: First heart sound is ...... while second heart sound is...... .

The first heart sound is associated with :-

Second heart sound is associated with the