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Pigs are very intelligent (and I daresay they are smarter than some humans). They have similar insides to us also. ANSWER II:Pigs are very similar to humans in many anatomical ways. Many vaccines and drug testings are performed on pigs prior to a human test group because our systems are similar. In addition, a human heart can be replaced with a pig heart if someone is in need of a transplant.

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16y ago

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