Its the dead blood cells from broken capillaries under the skin that aggregate in one area and cause contusions. Blood turns red when it is exposed to oxygen so when its under the skin it will take on a purple-blue-black hue that is reminiscent of a bruise.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC