They cut a small hole in your abdomen, blow some carbon dioxide into your tummy so it puffs up like a balloon, then carefully take out a perfectly healthy part of your body. Yikes. This is what happens when you donate a kidney. Most of us have two, but we really only need one to live long and healthy lives. So, if a family member or friend had kidney disease and you discovered yours was a perfect match, would you donate one? And what about if that person was a stranger?

Would that change your answer?

Producer: Kyla Slaven

Executive Producer: Ian Walker

Guest: Michael Page, Centre for Effective Altruism, United Kingdom

Brains Trust: Oliver, Hugh, Lily, Polly, Georgie, and Paddy from Millthorpe Public School, NSW