Wednesday, 26 October 2011

2.69 urinary system



• in the urinary system we have a left and right kidnney
• there is a tube for each kidney that leads to the bladder, called the ureter
• then the urine travels out through the urethra
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1 comment:

  1. jobu1 November 2011 at 22:37

    all posts read up to this point. NO corrections. Be careful of the sequences you write down. A little more detail required.

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