How do osteoblasts die and what happens when they die?

It depends what religion you believe in. A dead body would rot and become a skeleton in a year at the most and the skeleton would disinigrate in 100 to 1000 years.

you go to heaven :)

Nothing is happen after we die. Death is not complete annihilation, it's only a state of temporary unconsciousness while the person awaits for resurrection. The Bible repeatedly calls this...

Well, nobody knows until you die. However, I belive in heaven. And dont worry about dying. Live your life because life is a gift. And who knows - maybe in the furure scientists will find a way to...

that there's an afterlife when you die because your body stays and your soul gos up