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 most basic prerequisite to becoming a qualified scuba diver is comfort in the water. In order for you to begin a scuba training course you must first demonstrate to an instructor your ability to swim continuously for 200 yards (182.9 m) and float for 10 minutes, both without aids.