Question

describe what happens when your body lacks one of the blood clotting protein

Answer 1

Answer:

one may bleed for a longer time after an injury than you would if your blood clotted normally. A person would be suffering from Hemophilia.

The blood vessel narrows and the platelets form a plug, but one of the clotting factor proteins essential to a firm fibrin clot is missing or damaged, so the clot is not made or is not strong enough to stop the bleeding. This is why someone with hemophilia bleeds for a longer period of time.