1.

Hey! Why does the heart make a lub-dub sound? Please explain in detail. Not just contraction and relaxation...

Answer»

The" lub" is the sound of the tricuspid and mitral valves closing. The" DUB" is the sound of the AORTIC and pulmonary valves closing. ... The second sound OCCURS as a result of CLOSURE of the PULMONIC and aortic valves.



Discussion

No Comment Found

Related InterviewSolutions