Best Answer: organ shut down means that the vital organs of our body like heart, kidneys, lungs and brain etc are failing or not receiving enough blood supply :) And when vital organs shut down, important bodily functions shut down too. The more organs that shut down, the greater the patient's risk of death.
The shortfin mako is the fastest shark in the ocean, able to reach a top speed of 31 miles per hour. This shark is also capable of breaching the ocean surface to capture prey, reaching heights of up to 20 feet. The slowest shark in the ocean is the Greenland shark, able to reach a top speed of 1.7 miles per hour.
Swimming Speed of the Average Shark. The general rule of thumb is that sharks can cruise at about 5 mph (8 kph), the speed of the fastest Olympic swimmer. If you're just a good swimmer, they have you beat. But often they are swimming around at a slower speed of about 1.5 mph (2.4 kph). But sharks can swim much faster when they are attacking, about 12 mph or 20 kph, the speed of a running human on land. You're not going to be able to swim away fast enough, you'd need a boat or jet ski or some other equipment.