These are the websites that I used to find my information and these are some of the videos I watched to find my information. I hope you visit them because they are really good!
Websites:
For Oxygen I used: http://www.rcaltd.com/Why_Do_I_Need_Oxygen.aspx
For Carbon I used: http://healthyliving.azcentral.com/carbon-human-bodies-4307.html
For Hydrogen I used: https://answers.yahoo.com/question/index?qid=20070518204705AAL3ZG8
For Nitrogen I used: http://www.rsc.org/Education/Teachers/Resources/Inspirational/resources/6.5.1.pdf
For Calcium I used: http://nof.org/calcium
For Phosphorus I used: https://umm.edu/health/medical/altmed/supplement/phosphorus
Videos:
Sorry, I did not watch any videos to help me but if you would like to watch some videos, then go on YouTube! :)
Websites:
For Oxygen I used: http://www.rcaltd.com/Why_Do_I_Need_Oxygen.aspx
For Carbon I used: http://healthyliving.azcentral.com/carbon-human-bodies-4307.html
For Hydrogen I used: https://answers.yahoo.com/question/index?qid=20070518204705AAL3ZG8
For Nitrogen I used: http://www.rsc.org/Education/Teachers/Resources/Inspirational/resources/6.5.1.pdf
For Calcium I used: http://nof.org/calcium
For Phosphorus I used: https://umm.edu/health/medical/altmed/supplement/phosphorus
Videos:
Sorry, I did not watch any videos to help me but if you would like to watch some videos, then go on YouTube! :)