Saturday, 23 February 2013

2.76 understand that urine contains water, urea and salts.

Urine is made up of waste products in the body that can be harmful if not excreted  Among other things this includes water, urea and salts.
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3 comments:

  1. Unknown19 November 2015 at 12:46

    literally a life saving blog, find science quite hard and this has made a massive difference!!

    ReplyDelete
  2. Unknown6 April 2016 at 06:59

    Preach it

    ReplyDelete
  3. SophieRice26 June 2017 at 18:29

    more at

    http://igcse-biology-notes.blogspot.hk/2017/06/276-understand-that-urine-contains.html

    ReplyDelete

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