How are bodies able to repair themselves?

Question: How are bodies able to repair themselves?
- Keywords:
  body,
  repair
Asked by nikhil to Gonzalo on 8 Nov 2017.
- Gonzalo Delgado-Pando answered on 8 Nov 2017:
  
  Our body uses some proteins and other substances to repair, we also have platelets that stop us from bleeding to death if we cut ourselves

Question: How are bodies able to repair themselves?