Aortic atherosclerosis is a condition in which plaque builds up in the inner lining of the aortic artery. This condition can cause many symptoms and result in surgery. This article discusses what causes aortic atherosclerosis, symptoms and treatments.
An average scuba diver can stay underwater for 45 to 60 minutes on a 40-foot dive. Many factors affect tank duration, including depth, tank volume, and the diver's air consumption rate.
Usually they can hold their breath from 4 - 15 minutes but can remain underwater for two hours if needed and if they arenât stressed. The record time spent underwater is eight hours in freezing conditions; this is because a cold crocodile uses less energy and oxygen so it can hold its breath longer than a warm one.