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.
Air embolism. An air embolism, also known as a gas embolism, is a blood vessel blockage caused by one or more bubbles of air or other gas in the circulatory system. Air embolisms may also occur in the xylem of vascular plants, especially when suffering from water stress. Air can be introduced into the circulation during surgical procedures, lung over-expansion injury, decompression, and a few other causes.