| 1. | The cerata contain orange digestive gland and have a white tip.
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| 2. | These are retained in the animals'tissues and become concentrated in their liver-like digestive glands.
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| 3. | The tiny digestive glands are overarched and number 1500 to 2000 per square centimetre.
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| 4. | Digestive glands are present at a density of 150 to 1500 per square centimetre.
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| 5. | The production of the stalked capture glands and sessile digestive glands is also costly.
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| 6. | They range in digestive gland, which is the cephalopod equivalent of a mammalian liver.
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| 7. | The digestive tract forms a simple tube, with digestive glands attached to the mouthparts.
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| 8. | The nephridia are the only waste-filtering organs there is no separate digestive gland or liver.
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| 9. | Or because they liquify prey with digestive glands and then slurp down the bug juice?
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| 10. | The digestive gland and interweaving intestine occupy most of the visceral mass behind the head.
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