Saved Bookmarks
| 1. |
What is a lub dub sound |
|
Answer» Lubb--this sound is caused by the vibration set upon by the closure of tricuspid and bicuspid valveby the contraction of ventricular muscle.Dubb--it is caused by the closure of semilunar valve and marks the end of ventricular systole.The lubb sound is low pitched and the dubb sound is high pitched.☺☺☺☺ A sound create by heart |
|