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 final step toward becoming a certified scuba diver is to complete four open water training dives under the supervision of an instructor. These dives are conducted in a large body of water like the ocean or a lake to depths between 15 and 60 feet over two or more days.