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What muscles prevent the valves of the heart from flopping open backwards during each heartbeat? A) Pericardial muscles B) Trabeculae carneae C) Papillary muscles D) Skeletal muscles
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What muscles prevent the valves of the heart from flopping open backwards during each heartbeat? A) Pericardial muscles B) Trabeculae carneae C) Papillary muscles D) Skeletal muscles

User Adam Fratino
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4 votes

Answer:

c. papillary muscles

Step-by-step explanation:

User Math Chiller
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