What is the incomplete digestive system
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An incomplet digestive system consists of a digestive cavity with one opening. The single opening serves as both mouth anus .An digestive tract with two openings. one opening is the mouth
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· An incomplete digestive system has only one opening. The food goes in the same opening that the waste comes out. It would be as if your anus was the same opening as your mouth! ... Water goes in and special cells called choanocytes filter out food particles.
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