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Q&A Would it be possible to have a humanoid without iron in circulation in its blood/body?

Would it be possible to have a humanoid, a human looking species with a roughly equivalent brain to humans, without iron in circulation in its blood or body? I have found that reptiles could be a...

2 answers  ·  posted 5y ago by guest12345‭  ·  last activity 5y ago by guest12345‭

Question biology xenobiology