Answer:
a. shorten
Explanation:
Inability or failure for joints to move through their entire range of motion is caused by constrictions. These constrictions often results when the excess adipose tissues that surrounds the muscles and ligaments are not in required adequate proportion. These constrictions can be caused by ageing, fatigue, muscular diseases etc. As a result of these constriction in the joints, let say for example, the knee joint, the muscle and ligaments tends to shorten in length.
B press a clean towel or cloth firmly against the cut. you don't want the bleeding to continue and don't want to make the cut worse by putting any liquid in a lab, like acid that could easily be mistaken as water.