You will need a valid passport if you are thinking about taking a vacation abroad, frequently travel outside of the US, have a job that will require international travel, or have family living overseas that you would like to visit. There are currently two types of documents for US citizens: passport books and passport cards.
A few hours after a person or animal dies, the joints of the body stiffen and become locked in place. This stiffening is called rigor mortis. Depending on temperature and other conditions, rigor mortis lasts approximately 72 hours. The phenomenon is caused by the skeletal muscles partially contracting. The muscles are unable to relax, so the joints become fixed in place.
As the body begins to decompose, blood seeps down. through the tissues and settles in lower parts of the body. Red blood cells break down, spilling their contents. Big Idea 2: Rigor Mortis Death Stiffness Rigor mortis starts within 2 hours of death. The stiffness starts in the head and works its way down to the legs.