68. Crab, crayfish, and lobster all have teeth in their stomach. This is called a gastric mill. With this digestive system, food passes through the esophagus to the stomach where the teeth made of chitin and calcium carbonate grind the food into a paste. Here is a picture of sushi with crab inside of it. Or, according to the label, "imitation crab".
Thursday, June 10, 2010
Item 68 (Sushi)
68. Crab, crayfish, and lobster all have teeth in their stomach. This is called a gastric mill. With this digestive system, food passes through the esophagus to the stomach where the teeth made of chitin and calcium carbonate grind the food into a paste. Here is a picture of sushi with crab inside of it. Or, according to the label, "imitation crab".
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