What is a Blood Clot?

When blood changes from its normal liquid form into a solid or semi-solid form it is called a blood clot. When you cut your finger, the normal response is that a small blood clot (a "scab") develops at the site of the cut to stop the bleeding. However, if a blood clot develops inside one of your veins, it can block the normal flow of blood and cause problems.

To view full document click here.