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