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]
(..) Spider-Man. Tell him to meet me at the Westside Tower at . I don't know where he is. Find him. Or I'll peel the flesh off her bones. If you lay one finger on her... You'll do what? Still no word on the whereabouts of your son's fiancee. Sorry, Jonah. (..)2004 Spider-Man 2