BLOOD CLOTTING

Blood clotting is a complex process involving several factors and several steps in the chain of reactions that produce a clot..
There are several reasons for this complexity:

• Each reaction amplifies the next one in the chain, to produce a faster, stronger effect. This type of chain reaction is known as a cascade

• It is possible to "fine tune" each reaction in the series, making the final result a targeted response.

• If the reactions were simple, or involved only a few steps, it would be more likely that the blood would clot easily inside the blood vessels, instead of just at the site of a wound.