Beef is the meat taken from cattle. An ox is a bovine that has been trained to work or be a draft animal. Beef can (and often does) come from oxen that have worn out their time under the yoke.
There is no difference. All are muscle tissue of dead cattle.
yes
It is called a dead corpse or body.
no beef is from cows and pork is from pigs
They can be either.
some of it can be beef but the pork ones are the spicy ones
the agency that grades beef and pork is U.S.D.A choice.
PORK is
brisket is beef
pork
Pork.
only beef
Veal is beef.
Oxtail is beef.