How are the red blood cells in our blood destroyed?

Question: How are the red blood cells in our blood destroyed?
- Keywords:
  body,
  cell
Asked by powerpuff to Kat, Andrew, Katie, Sadaf on 20 Jun 2013.
- Andrew Swale answered on 20 Jun 2013:
  
  Once they have reached the end of their lifespan (usually 100-120 days) they are recycled by macrophages (a type of white blood cell)

Question: How are the red blood cells in our blood destroyed?