Where do the fibrin strands come from?
Hemostasis and the clots it forms must turn on only when it’s actually needed and must turn off and stay off when it’s not.
Think of it like when a pipe in your home bursts. Immediate action is needed.
Blood hurtling through the smaller arteries is like automobiles in a crush of rush hour traffic trying to enter the exit ramps to reach their destinations.
The numbers have to be “just right,” a vital aspect of life that evolutionary biologists never seem to address.