Heart of reptiles is traditionally considered as an organ with two atria and one ventricle. However, this is not entirely true, in particular for crocodylians that have a fully divided, four-chambered heart as the one found in birds and mammals. Among squamate reptiles (lizards and snakes) there is also one lizard group with extraordinary heart – monitor lizards (Varanidae).
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last modification: 18.10.2023
