hello scientists, i was just wondering what us humans are actually made out of?

Question: hello scientists, i was just wondering what us humans are actually made out of?
- Keywords:
  body,
  human
Asked by mathx22 to Ed, Hayley, Jason, Nathan, Sophie on 20 Mar 2013.
- Hayley Evers-King answered on 20 Mar 2013:
  
  We are made of lots of different elements. But mainly water (which is hydrogen and oxygen), carbon, nitrogen, calcium and phosphorus. We also have some elements that are present in very small amounts but are also vital – such as iron, which helps your blood carry oxygen!

Question: hello scientists, i was just wondering what us humans are actually made out of?