Can you reorganize or restate this question? I have no idea what question is being asked here.
The cartilage matrix between two bones of a joint allow for the firm, yet flexible and smooth surface by which the bones of a joint are able to move.
Short Answer: <em>Cartilage Matrix</em>
Always dial 911 if you think you might be having a heart attack. The EMS crew in your ambulance will route you to the right hospital based on your location. Treatments differ for a STEMI versus NSTEMI heart attack, although there can be some overlap. Hospitals commonly use techniques to restore blood flow to part of the heart muscle damaged during a heart attack.
The correct answer to this would be C
hope that helps
