What Makes The Lub Dub Sound In The Heart __link__ -

Several factors can affect the lub-dub sound, including:

: S2 is created by the closing of the semilunar valves—the aortic valve and the pulmonary valve. what makes the lub dub sound in the heart

The heart is a muscular organ that pumps blood throughout the body. It consists of four chambers: Several factors can affect the lub-dub sound, including: