Read the following statements and select the correct option
Statement 1 : The 4-chambered heart of birds is superior to the 4-chambered heart of crocodiles
Statement 2 : Crocodilian heart retainsboth systemic arches that join, causing mixing of blood in the dorsal aorta while avian heart has lost left systemic arch.
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Sorry I don't know and I don't have time if I would have time I would answer the questions. Because this is very hard and I am really not sure what my answer is
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