Use protection and be safe as much as possible.
While all of the above ingredients are in a cigarette, nicotine is the stimulant that causes addiction and dependency.
Your answer would be the Kidney
The kidney was the first organ to have an artificial replacement; the dialysis machine invented by Kolff in the 1940s.
I think you are looking for the answer of: digestion.
Hope this helps! <3
They can receive their funding from donations or a normal economic activity, with the difference being that all their revenue goes back into the function of the organisation.
Some services provided by non-profit are education and medical care, especially for the poor. An exemple is the Doctors Without Borders organisation.