Would we be able to replace one animals organs with another animals organs?

Question: Would we be able to replace one animals organs with another animals organs?
- Keywords:
  animal,
  organ transplant
Asked by Leonie to Noel on 17 Mar 2015.
- Noel Carter answered on 17 Mar 2015:
  
  There is a lot of thought going into using organs from pigs as there organs work very similarly and they are about the same size as humans. The worry is that there might be viruses in pigs that don’t usually affect humans that might if you used the organs for transplantation

Question: Would we be able to replace one animals organs with another animals organs?