Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation of the joints. Autoimmune diseases are illnesses that occur when the body's tissues are mistakenly attacked by their own immune system.
What role did the bison or buffalo play in the culture of the Plains Indians? The bison were an important source of fur, food, and shelter for the Plains Indians. They used every part of the animals they killed. Bison were also an important part of their culture.
What most in the US call buffalo are the American Bison, which primarily live in the plains of the west, in states such as Montana, Wyoming, Utah, and Colorado, in the westernâ¦ sections of Nebraska and South Dakota, and in southern Kansas and northern Oklahoma.