Question
‘Lubb-dupp’ sound is produced due to the action
ofSolution
The heart produces the "lubb-dupp" sound. The "lubb" sound is due to the closing of atrioventricular (AV) valves, and the "dupp" sound is due to the closure of semilunar valves during the cardiac cycle. Information Booster:
- The heartbeat is a rhythmic contraction and relaxation of the heart muscles.
- The sounds are diagnostic indicators of heart health.
- A stethoscope amplifies these sounds for clinical analysis.
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