This little goat is in a pen. noun. The definition of a pen is a small yard or animal enclosure, or an tool used to draw or write with ink. An example of a pen is a petting zoo. An example of a pen is a ball point.
If you are referring to the internal temperature of the human body, studies show most bodies can only survive up to 108 degrees Fahrenheit, or 42 degrees Celcius, as the proteins inside the body begin to die at around 105F.
Confidence votes 315. It depends on, among other things, the length of time, the medium the human is in, what they are wearing, and their conditioning. Being in cold temperature air with proper shelter and clothing, humans can survive indefinatley, even if the temperature is below zero degrees.