life and limb

/L AY1 F AH0 N D L IH0 M/
noun
  1. 1

    Existence together with the bodily faculties.

    โ€œThose kids are risking life and limb when they go inside that old abandoned house: it might collapse on their heads.โ€

Source: https://en.wiktionary.org/wiki/life%20and%20limb