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| Description: In amphibians, lizards, snakes, and turtles, the heart has three chambers: two atria and one ventricle. Blood flows in two partially separated circuits. Oxygenated blood and oxygen-poor blood mix a bit in the ventricle. Picture Stats: Views: 101 Filesize: 193.89kB Height: 1375 Width: 1500 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=47549 |