Biology, 27.02.2020 05:25, savannahvargas512

The papillary muscles contract after the other ventricular muscles so that they can take up the slack on the chordae tendineae before the full force of ventricular contractions sends blood against the atrioventricular (AV) valve flaps. True False

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The papillary muscles contract after the other ventricular muscles so that they can take up the slac...