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snowhite snowhite
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8 years ago
The semilunar valves are closed when
A) the ventricles are contracting.
B) atria are contracting.
C) the atrioventricular valves are closed.
D) the ventricles are relaxing.
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Human Anatomy

Human Anatomy


Edition: 7th
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WideEyesWideEyes
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snowhite Author
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8 years ago
I really appreciate your help!
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8 years ago
Good luck on your exam, snowhite!
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