'Crocodilians are the only reptiles in which this organ has 4 separated chambers'
the heart
BIOLOGY: Crocodilians are the only reptiles in which this organ has 4 separated chambers
Crocodilians are the only reptiles in which this organ has 4 separated chambers
Crocodilians are the only reptiles in which this organ has 4 separated chambers
BIOLOGY
the heart
BIOLOGY