â¢ The critical path is defined as the longest path through the CPM network and consists of those activities. that determine the shortest time for project completion. Activities within this or list form a series (or. sequence) of logically connected activities that is called the critical path.
Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use.
The average person can last three minutes without air before they die. However I'm not sure how long it takes somebody to become unconscious. However if the drowning person is an athlete, swimmer or has developed larger that average lungs then it will take longer. The women's world record holder for free diving can hold her breath for six minutes without passing out. Source(s): TV.