This is confirmed to be True.
Muscular strength is how much you can lift/push/pull, ect. Muscular endurance is how long you can do something with your muscles. Like if you have to put your are straight out in front of you and hold a 25 pound dumbbell. Your will get tired and give out. the more Muscular endurance you have the longer you can do something with your muscles.
Radium, it sits at 55% of our exposure.
The human body can survive ....
8-10 days without water
Good luck! :)