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    Question

    The insect anatomical structure known as the

    proventriculus performs which primary function in the digestive system?
    A Initial digestion Correct Answer Incorrect Answer
    B Secretion of enzymes Correct Answer Incorrect Answer
    C Grinding of food particles Correct Answer Incorrect Answer
    D Temporary food storage Correct Answer Incorrect Answer
    E Osmoregulation Correct Answer Incorrect Answer

    Solution

    The proventriculus is a muscular valve that grinds food before it enters the midgut, particularly in insects like cockroaches.

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