Spider Blood Circulation, Lungs, and Moulting

From: http://www.xs4all.nl/~ednieuw/Spiders/InfoNed/blood.html Interesting highlights: Spiders have colorless blood. Spiders use a protein called hemocyanin to trasnport oxygen in their blood cells. Hemocyanin is a protein made up of 24 sub-units. It has a copper atom at hte center instead of iron like the human hemoglobin. For every one of the 24 sub-units there is a [...]

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