The correct answer is all of them, none of the answers are actually air masses. This is a poorly worded trick question :)
I hope this helps!!
The correct answer is connective tissue.
Osteoarthritis refers to the most general kind of arthritis, influencing various individuals all over the globe. It takes place when the protective cartilage on the terminals of the bones wears down with time.
However, osteoarthritis can destruct any joint in the body; the ailment most usually influences the joints in the knees, hands, spine, and hips. Cartilage is a flexible connective tissue, found in the articulating surfaces of the joints. Thus, the condition osteoarthritis affects the connective tissue.