Have you ever wondered what elements your body contains? There are some surprising results! Scientific analysis1has found that the human body may contain the poison arsenic, the radioactive element uranium and even the precious metal gold. On this page you can get an estimate of the number of atoms of each element in your body. Simply enter your mass in kilograms and click submit.
References:
1: Emsley, John (25 August 2011). Nature's Building Blocks: An A-Z Guide to the Elements. OUP Oxford. p. 83. ISBN 978-0-19-960563-7.