Why is it, when you try to wipe away drops of blood off of a surface, it leaves a behind a thin ring around it which is harder to clean? 1.06K viewsJanuary 3, 2024 Question90.66K February 13, 2020 0 Comments Why is it, when you try to wipe away drops of blood off of a surface, it leaves a behind a thin ring around it which is harder to clean? In: Physics 17 Answers ActiveNewestOldest Anonymous Posted February 13, 2020 0 Comments Jesus, how much blood do you have to clean up before you start to notice these things? With that being said, the outside of the blood puddle is coagulating from the oxygen, you leave it there long enough and the whole mess will harden. You are viewing 1 out of 17 answers, click here to view all answers. Register or Login
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