ATP is a high energy compound made up of one adenosine molecule attached to 3 phosphate molecules, the molecules are then bound together by the high energy bonds. There are only a few steps in the ATP-PC which is why it provides energy so quickly, they are: (courtesy of http://www.ptdirect ...ow does the ATP-PC system work? The ATP-PC system is the most important out of all the 3 energy systems, it provides you with the most power because it produces ATP more quickly than any of the other 3 systems and because of this it is essential in sporting exercises like 20m, 40m and 100m sprint activities.
You Can Live 4 to 6 Weeks Without Food. Most doctors and nutritionist state that the average person can live about 4 to 6 weeks without food, but a week is a miracle without water. There have been numerous activists who have placed themselves into a starvation trance in order to prove a political or religious point.
The human body cannot survive without food and water for long periods of time. In fact, according to SurvivalTopics.com, the longest a person can go without water is 10 days--without food, it's four to six weeks. However, due to certain other variables, these numbers can vary. Second to oxygen, water is the most important compound that the human body needs for survival.