Which of these structures is involved in blood circulation in cockroach?(a) Ostia(b) Malpighian tubules(c) Ommatidia(d) PhallomereI had been asked this question in quiz.My question comes from Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11

Which of these structures is involved in blood circulation in cockroac

1.	Which of these structures is involved in blood circulation in cockroach?(a) Ostia(b) Malpighian tubules(c) Ommatidia(d) PhallomereI had been asked this question in quiz.My question comes from Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11
Answer» Right answer is (a) Ostia For EXPLANATION: Out of the given structures, ostia is involved in blood circulation. It is present on either SIDE of the funnel-shaped heart chambers. The CIRCULATORY system is of open TYPE. Blood from the sinuses is PUMPED into the heart chambers through ostia.

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