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Major Organs of the Squalus
significant respiratory and digestive structures of squalus
12
Biology
Undergraduate 3
06/16/2009

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Term
liver
Definition
secretes bile into the intestinal tract to aid digestion; stores squalene for buoyancy regulation (left lateral, medial, right lateral lobes)
Term
stomach (cardiac, body, pyloric)
Definition
storage/treatment center for food prior to entry into the intestine
Term
rugae (in stomach)
Definition
increases surface area for digestion
Term
small intestine
Definition
digestion and absorption of nutrients (ileum is colorful and big)
Term
spiral valve (in ileum)
Definition
increases surface area for absorption of nutrients
Term
colon (large intestine)
Definition
further treatment of food
Term
rectal gland
Definition
osmoregulation (excretes excessive salts)
Term
cloaca
Definition
shark anus
Term
gall bladder
Definition
stores bile
Term
pancreas
Definition
secretes digestive enzymes
Term
spleen
Definition
production, storage and elimination of red blood cells
Term
gills
Definition
gas exchange
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