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...ed with four sets of valves, two serving for the induction and two for the eduction of the blood, lest, like the Euripus, it should be incommodiously sent hith ...it, would suffice for the distribution of the blood over the body, and its eduction from the vena cava, as indeed is done in those creatures that have no lungs

Hi, Nancy. The role of the AMA in furthering medical eduction has always led this section, so I didn't read it as being as negative as yo