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 deeper a marine mammal has to dive for food, the longer it is going to need to be able to hold its breath to be successful. Humans who have trained can hold their breath underwater for around 20 minutes, but the average person can only hold his or her breath for 1 minute.