This competition is now closed

What happens to cells in our bodies when they die?

There are 2 main types of cell death: apoptosis (programmed cell death) & necrosis (due to lack of blood flow, ischaemia). But where do these dead cells go?

By Luis Villazon

Asked by: Phil Hibbs, Birmingham

Cells on the surface of our bodies or in the lining of our gut are sloughed off and discarded. Those inside our bodies are scavenged by phagocytes – white blood cells that ingest other cells.

The energy from the dead cells is partly recycled to make other white cells.

Read more:

Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun science facts.

Luis Villazon

Q&A expert

Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.