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How would you KNOW it worked the same as a human heart if you have never seen the insides of a human. This is pre-darwin so the common evolution of mammals is n

How would you KNOW it worked the same as a human heart if you have never seen the insides of a human. This is pre-darwin so the common evolution of mammals is not yet understood.

ekianjo 4y ago
people were not stupid back then. you could dissect dozens of animals and see the clear similarities. lets not pretend we woke up with science just yesterday.
Wertigoyr 4y ago
I thought there were plenty of stories of doctors/curios people buying dead people. Even Leonardo da Vinci