Question

define lub and dub?​

Answer 1

Answer:

lub dub is the sound produce by our heart .... when the tricuspid valve and marital closed after passage of blood in our heart it produce "lub" sound and aortic and pulmonic valves clsed then it produced "dub" sound

this is also known as S1 anfd S2

hope

its

CLR

to

u.....

Answer 2

define Lub and Dub?

Solution:

Contraction of atrial chambers and then of ventricular chambers are 2 phases of systole.These two phases of systole can be heard as lub and dub sounds which are caused by the contraction of muscles and shutting down of valves.

• In the lub phase ,the ventricles contract and cuspid valves close.
• In the dub Phase, the pulmonary and aortic valves close.

hope it helps.

( note: this answer is not copied by goo gle)