The memory of all that blood was enough to 'make my flesh crawl/creep'. [=to make me feel disgusted, afraid, etc.]
I try to get up early and exercise, though sometimes 'the spirit is willing but the flesh is weak'.
pleasures of the 'flesh' [=physical pleasures, such as eating, drinking, and having sex]
(..) Wait, you're a dude? Well, that explains a lot. - say goodbye. .Okay. Goodbye! You deceitful little brats! I'll tear off your flesh! Come on! Go, go! Give me that fleece! You're dead! I'm gonna kill all of you! Do you hear me? (..)2013 Percy Jackson: Sea of Monsters