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In a CASCADE, several steps are necessary to accomplish the final goal - in this case, clot formation.

A cascade has two purposes.

First, it is easy to stop a cascade, because there are many steps that could be blocked. This is important, because it would be very bad for you if you made too many clots.

Second, once a cascade starts it can accelerate very fast. This is because each molecule activated in one step can activate many molecules in the next step. This means that if the cascade runs, the clot will form quickly - before you lose too much blood.

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