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The starfish does not need much of an opening-just enough to get part of its digestive system in. Starfish have two stomachs, one that remains inside the body and another than can be protruded through the starfish's mouth on the underside of the body.
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science.jrank.org/pages/6450/Starfish.html
science.jrank.org/pages/6450/Starfish.html
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Sea star - Wikipedia, the free encyclopedia
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Sea stars (also often called " starfish ") are echinoderms belonging to the class Asteroidea . The names "sea star" and "starfish" essentially refer to members of the Class Asteroidea. However, c...
en.wikipedia.org/wiki/Sea_star
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In the starfish, the hemal system is used to distribute nutrients, with hemal channels forming rings around the mouth (the oral hemal ring), closer to the top of the starfish, and around the digestive system (the gastric hemal ring).
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www.newworldencyclopedia.org/entry/Starfish
www.newworldencyclopedia.org/entry/Starfish
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the anterior end notably carries hooks and/or suckers for attachment to the host. The parasite acquires nutrient molecules from the host, and the digestive system is reduced. It is...
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universe-review.ca/R10-33-anatomy.htm
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the nutrition of this starfish. If this is valid, then the very close and detailed struc tural correspondence between the digestive system of Hennicia and ...
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www.biolbull.org/cgi/reprint/119/3/371.pdf
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1. Detailed study of the digestive system in Henricia reveals that as a result of regional differentiation, particularly involving the lining ... 3. The customary food and the feeding habits of Henricia are unknown, but several lines of evidence, anatomical and experimental, combine to suggest that this starfish,
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www.biolbull.org/cgi/content/abstract/119/3/371
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I belive that a starfish has to stomachs, not one. I need some help.
http://wiki.answers.com/Q/What_kind_of_digestive_system...
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Respiration - The starfish has a water vascular system in which the repiratory exchange between oxygen and carbon dioxide occurs. ... Digestion - The starfish has a digestive gland in which digestion occurs.
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intro.bio.umb.edu/111-112/112s99Lect/bodyplans/starfish...
intro.bio.umb.edu/111-112/112s99Lect/bodyplans/starfish.html
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The starfish's digestive system contains a soft flimsy stomach and digestive fluids which break down the body parts of the prey, This enables the starfish to digest its food. When the starfish catches its prey, it prys open the mollusk with its arms.
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www.svusd.k12.ca.us/schools/rsm/teachers/bedelld/invert...
www.svusd.k12.ca.us/schools/rsm/teachers/bedelld/invertebratephyla/echinoderms.html
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