Which is a degenerative joint disease in which joint cartilage is gradually lost due to a combination of aging, obesity, wear and abrasion of the joints?

The answer osteoarthritis which is degenerative arthritis . It is the leading cause of disability in America. An infection or injury to the joints can exacerbate this natural breakdown of cartilage tissue. Joint pain, stiffness, and swelling are the most common symptoms of arthritis.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

b exhibiting favoritism toward the kikuyu people.