Webpages+we+used

=Bibliography = =media type="custom" key="19128556"= [|http://digestive.niddk.nih.gov/ddiseas][|es/pubs/yrdd/i][|ndex.aspx#2]

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[|http://www.livestrong.com/article/130205-inte][|resting-digestive-system/]

[|Video: Why Do We Have a Digestive System? | eHow.com]

[|http://www.ehow.com/video_4755452_why-do-we-have-digestive.html#ixzz1xDmpOSc6]

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[|http://www.innerbody.com/image/digeov.html#anatomy-term-bottom]

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