Answer:
my bro listen up,
Rheumatoid arthritis is caused by the breakdown of cartilage.
Explanation:
A. It helps build muscles.
<span>The key to maintain a healthy weight is by balancing energy intake and expenditure. It is through eating the right diet or right amount of food and exercising in a right amount time so your energy stored will be used. It is important to be balance so your fats will be used and reduced.</span>