Why does a heart beat twice? 1.42K viewsJanuary 3, 2024 Question90.69K February 23, 2020 0 Comments When listening to a heartbeat it consists of two thumps. Is it contracting twice very quickly or is the second thump caused by something else? In: Biology 7 Answers ActiveNewestOldest Anonymous Posted February 23, 2020 0 Comments [deleted] You are viewing 1 out of 7 answers, click here to view all answers. Register or Login
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