how many heart does a dolphin have???
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12
how many heart does a dolphin have?
four
They have teeth, are warm-blooded, have a four-chambered heart, and nurse their young from mammary glands. Dolphins also have hair — but not very much! Dolphins belong to a group of mammals called cetaceans. Cetaceans include all whales and dolphins.
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37
Answer:
four.
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