Premise: How to check out cuts, scratches and abrasions<br>After getting a cut, scratch, or abrasion, your skin may start bleeding. This happens because the injury breaks or tears the tiny blood vessels that live right under the skin's surface. Your body wants to stop the bleeding, so the platelets in your blood come to the rescue.
Hypothesis: he injury breaks or tears the tiny blood vessels that don't live right under the skin's surface.