Monday, June 1, 2009

The circulatory system
It is an organ system that transports many thing like nutrients, blood gases, hormones, blood cells, waste products and many more to and from cells in the body to help fight diseases and help even out the body temperature.
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1 comment:

  1. Science @ Mt. SentinelJune 2, 2009 at 5:22 PM

    Dylan...where is today's posting? Also, I'm wondering what is your topic of controversy? How will the circulatory system relate to it?
    Mrs. K

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