ORIGINAL: StrutNtom
However, you can take a bad bullet and get good shot placement, such as the hear or lungs and the animal is done for.
Deer have been known to run 200 yards with nothing but he upper vena cavae of the heart, why does this happen?
The A-factor, which is, adrenaline, adrenaline can make a deer or person do things they couldn't do in normal circumstances, so, as you said, it's a combination of things, just like the way it's a combination of things that makes getting the animal in a shootable circumstance, so that you can bag it.