Your body doesn’t heal itself. Cuts need stitches that must be permanent. Bones need to be screwed together even if just cracked. How you doing?
Your body doesn’t heal itself. Cuts need stitches that must be permanent. Bones need to be screwed together even if just cracked. How you doing?
If you’ve ever broken a bone, just assume you’d be dead of infection.
Actually let’s take this further: multicellular life wouldn’t exist. Life wouldn’t exist. Cell division requires both cells to heal themselves. This is a silly question.