blood heat

They appeared to be impregnated with copper, and were more than 33 above blood heat.

The fittest temperature for drinks, if taken when the food is in the digesting process, is blood heat.

The pepsin or gastric juice is more potent at blood heat, and this pepsin or rennet is what does the work.

Theoretically, 98 degrees or blood heat would seem to be the temperature for setting, as rennet is the most active at this point.

Here "Sally in our Alley" and "Skip-rope" made the little girls forget that the temperature was far above blood-heat.