Social Studies, 21.11.2019 22:31 noeminm105

You listen to the heart beating and you hear a "lub-swish- dup".

the swish is caused by:

select one:

a. a leaky semilunar valve

b. a leaky mitral valve

c. a stenoic mitral valve

d. closing of the av valves

Answers: 1

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You listen to the heart beating and you hear a "lub-swish- dup".

the swish is caused by:...