A. Dead animals will smell until they are completely decomposed or until they are dried out, whichever comes first. It goes without saying that the larger the animal, the more biomass there is to rot, the stronger the smell will be, and the longer the smell will last.
When cells are damaged by disease or injury, large amounts of these leak out, causing blood tests to show that enzymes are elevated above normal. (You can roughly compare this situation to a car that's leaking oil. Leaks in many parts of the engine can have the same result: oil all over your driveway.)
Vitamin K deficiency bleeding or VKDB, occurs when babies cannot stop bleeding because their blood does not have enough Vitamin K to form a clot. The bleeding can occur anywhere on the inside or outside of the body. When the bleeding occurs inside the body, it can be difficult to notice.