Question

difference between first heart sound and secondary heart sound​

Answer 1

Answer:

Difference Between Two Heart Sounds Are :-

1st Heart Sound :-

• Sound is LUBB
• Full , Pronged (0.15sec)
• At the beginning of ventricular systole
• Caused by Closure of AV valves

2nd Heart Sound :-

• Sound is DUBB
• Sharp , Shorter timed , high pitch (0.1sec)
• At the beginning of the ventricular diastole
• Semilunar Valves

$\huge\orange{\mathcal Hope\:it\:helps!!!}$

Answer 2

Difference between first heart sound and second heart sound are

First heart sound called lubb which is of period 0.15 second and caused due to AV - valves .where as 2nd sound of heart called dubb which is too short 0.1 second only it's period and caused due to semilunar valves .