The mongols were so tough, they made cuts in their ponies necks and drank their blood for nourishment. select one:

a. True

b. False

It's true, but it wasn't a matter of toughness, and they didn't do it very often. It's like in Man VS Wild where Bear Grills drank his own pee. He didn't like it, but he had to do it to keep going. It was the same principle with the Mongols. It was for survival.