What is the biggest part of the body and why?

Question: What is the biggest part of the body and why?
- Keywords:
  human body,
  organ,
  size
Asked by 959thuc32 to Claire, Liad, Ruth, Ryan, Mako on 21 Jun 2015.
- Ryan Cheale answered on 21 Jun 2015:
  
  Biggest part well if we go with a bone it’s the femur in the leg! Which is because your legs are really long
  
  If we go with organ it’s your skin and that’s because it covers your whole body!

Question: What is the biggest part of the body and why?