How much heat can a Human tolerate...?

Question

According to my knowledge, if human body is exposed to -40 °C or less, it will die in less than a minute...

What is the maximum temperature it can tolerate...?

Answer 1

H.M. Vernon has done work on the death temperature and paralysis temperature (temperature of heat rigor) of various animals. He found that animals of the same class of the animal kingdom showed very similar temperature values, those from the Amphibia examined being 38.5°C, Fish 39°C, Reptilia 45°C, and various Molluscs 46°C, Humans 43°C tf

Answer 2

I have worked in the Mojave desert at 125 deg F.