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.
The average dolphin can only stay underwater for 8-10 minutes. Some  may hold their breath as long as 15 minutes.he average dolphin can only stay underwater for 8-10 minutes. Some  may hold their breath as long as 15 minutes.