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.
18 minutes   ...   Dolphins can't breathe underwater because they are mammals. They go to the surface to breathe and then hold their breath while underwater...  Do â¦ lphins are conscious breathers, which means they have to think about every time they want to take a breath.hen they are awake, they need to come up for air every twenty minutes or so. But when they are asleep, they can stay underwater all night long. I really have no idea how th â¦ at's possible; all I know is that my turtle stays asleep underwater all night long (8 to 10 hours).