Question

If organisms can survive in 3-chambered heart why some of them have 4 -chambered heart?​

Answer 1

Answer:

ok so not all organisms can survive in three chambered heart like mammals ( human, cat dog) can't leave with three chambered heart they need four chamber for survival and to pump blood into the whole body .. and 3 chamber heart organisms like birds and snakes have different features from four chambered heart animals....

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