Why can your body stop the bleeding from a small cut over the course of a few minutes, but bruises can continue to develop and worsen over the course of a few days?
In: Biology
A bruise is from thousands of capillaries in the area breaking and releasing a little bit of blood into the surrounding tissue. The breaks in the vessels will clot of just as fast, if not faster than those from a cut. The reason it changes color/intensity over time is that the blood will pool in areas that may be easier to see through your skin, and the hemoglobin breaks down into different molecules over time that have different colors
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