It's an unknown at this point.
But you can help with:
Organ donations
Advance medical directive
Durable power of attorney
All these will make your wished known.
You can buy a burial plot and determine if you want cremation. You can write your own obituary. You can pick out your funeral ahead of time.
If it bugs you, do something about what you can.
Don't even try to count the number of ways to die. All one can hope is that it's pain free. Going to bed and not waking up is preferred.