https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3ACirculatory_system%2F56%2FenTranslations:Circulatory system/56/en - Revision history2026-11-14T21:32:53ZRevision history for this page on the wikiMediaWiki 1.43.0https://wiki.tiffa.net/w/index.php?title=Translations:Circulatory_system/56/en&diff=72681&oldid=prevFuzzyBot: Importing a new version from external source2023-10-19T08:10:35Z<p>Importing a new version from external source</p>
<p><b>New page</b></p><div>Mammals, birds and [[crocodilia]]ns show complete separation of the heart into two pumps, for a total of four heart chambers; it is thought that the four-chambered heart of birds and crocodilians evolved independently from that of mammals. Double circulatory systems permit blood to be repressurized after returning from the lungs, speeding up delivery of oxygen to tissues.</div>FuzzyBot