Fuuuuun spider fact! Spiders have blue blood Unlike us, spiders have blue blood or more accurately, Hemolymph . In humans, oxygen is bound to a molecule that contains iron, this gives our blood that red color. However, in spiders, the molecule that oxygen is bound to contains copper, which gives their blood the blue color. And that is your #spiderfactoftheday
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>> crbaડ do too !! *crabડ
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They sure do! In fact more invertebrates do as well. Sometimes even being bluish green or yellow.
Awww, thanks David, always happy to spread the good word :3