brain cell lifespan
Brain cells: 200+ years?
Eye lens cells: Lifetime
Egg cells: 50 years
Heart muscle cells: 40 years
Intestinal cells (excluding lining): 15.9 years
Skeletal muscle cells: 15.1 years
Fat cells: 8 years
Hematopoietic stem cells: 5 years
Liver cells: 10-16 months
Pancreas cells: 1 year