Probably not with our current set of enzymes fine-tuned for 37 C degrees. Most probably our metabolism would stop working accurately into a waterfall of malfunc

Probably not with our current set of enzymes fine-tuned for 37 C degrees. Most probably our metabolism would stop working accurately into a waterfall of malfunctions. Would be more realistic to expect evolving a pair of feathered wings than to reset our blood temperature to several degrees higher.