Answer:
Primary osteoarthritis is mostly related to aging. With aging, the water content of the cartilage increases and the protein makeup of cartilage degenerates. Repetitive use of the joints over the years causes damage to the cartilage that leads to joint pain and swelling
Explanation:
Heart brain skin because you mostly use it your heart goes on forever your brain is what controls you and your skin is like a shield for your body
The answer is blood flow will be reduced and will pool in the muscles.
