Cell death by apoptosis
Why?
Apoptosis is programmed cell death, a tidy way of removing cells that are damaged or no longer needed.
The webbing between a baby's fingers disappears before birth as those cells shrink and are cleared away.
Press the button to see apoptosis shape a baby's fingers and clear a damaged cell.
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A cell with badly damaged DNA breaks itself into neat packages that a white blood cell swallows.
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