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Q&A How to make human-like muscles more efficient?

So our muscles run off of oxygen, but I heard from my brother when posing this question (he's a bio major in college) that using phosphorus instead of oxygen to power our muscles would make them fa...

1 answer  ·  posted 7y ago by Xivote‭  ·  last activity 7y ago by Xivote‭

Question evolution aliens