Digestive+System+-+2nd+Period

=Digestive System=

Top 5 Reasons you need your digestive system media type="custom" key="11605342"
 * You need it to digeste your food
 * it takes the nutreints from your food.
 * packages your poop for the excretory system
 * you can eat more often because digestion takes 2 to 3 days
 * it helps give nutrients to your body

media type="custom" key="11619276"Esophagus

media type="custom" key="11619484" Rectum:

Bibliography


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 * 3) //digestion: human//. Art. //Encyclopædia Britannica Online//. Web. 7 Dec. 2011. <[|http://www.britannica.com/EBchecked/media/1087/The-human-]
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 * 5) //Encyclopedia - Britannica Online Encyclopedia//. Web. 08 Dec. 2011. .
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 * 7) //esophagus//. Photograph. //Encyclopædia Britannica Online//. Web. 12 Dec. 2011. <[|http://www.britannica.com/EBchecked/media/126507/Biopsy-of-]
 * 8) //Rectum. Google Images //. Web. 12 Dec. 2011. .