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.
The Buffalo or Bison. Native Americans in the Great Plains area of the country relied heavily on the buffalo, also called the bison. Not only did they eat the buffalo as food, but they also used much of the buffalo for other areas of their lives.They used the bones for tools.he Buffalo or Bison. Native Americans in the Great Plains area of the country relied heavily on the buffalo, also called the bison. Not only did they eat the buffalo as food, but they also used much of the buffalo for other areas of their lives. They used the bones for tools.