<span>The appropriate response is cytoplasm. In eukaryotic cells, the cytoplasm is that piece of the cell between the cell film and the atomic envelope. It is the jam like substance in a cell that contains the cytosol, organelles, and incorporations, yet excluding the core.</span>
Mutation is a source of genetic variation
You can live without a functional liver, but then you have to go through dialysis. And you can live even if you have an entire lung removed. The spleen can be removed if it's damaged and you'd still live. However, people without a spleen are more prone to infections.
Also, women can have their uterus removed in a hysterectomy as a treatment for cancer, or other reasons.
But of course, you'd need your heart, brain, at least one lung and one kidney to survive.