[They get recycled and expelled from the body like the cells in your body.](https://media.istockphoto.com/vectors/heme-catabolism-vector-illustration-labeled-chemical-blood-reaction-vector-id1197051922?k=20&m=1197051922&s=612×612&w=0&h=iNLol6Pv-PMb-RgbZWhA-8NU0El_gVoL59OmsXUoo_M=) Red blood cells in particular are broken down by the liver and kidneys.
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