<span>The connective tissue membranes that are found lining the joint cavities are called the synovial membranes. Joint cavities, like the shoulders, elbows, or knees, are known as freely movable joints. The synovial membranes line joint cavities that are not open to the outside.</span>
Anaerobic , they don’t need oxygen so the bacteria will still live and infect the wound
The atmosphere is a mixture because it contain many types of gases , liquids and solids.
Biochemical stress is another factor fire
