A mule is the result of a horse that has been bred with a donkey. Mules are generally sterile, meaning that they cannot be bred with each other in most cases. They also have 63 chromosomes. In appearance, mules may look very similar to donkeys. They also have stiff hair. Much like donkeys, mules are strong animals and tend to have calmer personalities.
To research the causes of Air embolism, consider researching the causes of these these diseases that may be similar, or associated with Air embolism: 1  Dyspnea. 2  Pulmaonary barotrauma. 3  Decompression syndrome. 4  Stroke. Thrombosis.
B. blood clot. Blood clots, often from a deep vein thrombosis, are the most common cause of a pulmonary embolism. Rarely, bone marrow, amniotic fluid, air bubbles, oxygen bubbles, and other things can also get into the circulatory system and cause a pulmonary embolism. Predisposing factors of pulmonary emboli include: