What is reffered to as the ability of your body system to work together efficiently to be health and to perform activities of daily living?

You can drink laxative, or  do this exercise when you are sitting in the bathroom on the toilet. to relieve  constipation  fast or in about 1 minute, pinch your nose after your usual exhalation. start holding your breath. but do not mouth breath during this just hold your breath. 

This would be a example of a "i want to be single person"