Desert island question- in the unfortunate <span title="event.................................?">event.......................</span>

Question

How much of yourself could you eat to stay alive-and which bits?

Answer 1

One of those Catch22 situations huh?

Oh, there are a good few bits of me I could nibble on - however, eating Me to survive, would also mean the end of Me ............................... because I forgot to pack a packet of plasters to stop the bleeding!!

Answer 2

not nearly enough details to give proper response..... do  u have have anything sharp? do u have antiseptic? do you have fire making capabilities?