You get a bruise by bumping into something really hard, something sharp, etc. What happens once you get a bruise, is that the blood vessel, that runs all over the body, it pops. But, don't worry! They mend easily! Now you know.
Bruises are formed when something hits the surface of your skin very hard. This causes tiny blood vessels, called capillaries to break or burst under the skin, leaking blood under the skin. Thus,...
we get bruises because it is bleeding under the skin which causes the discoloration. If you bump yourself and have a bruise athe next day its from bleeding under the skin. If however you always have...