In which group of animals, coelom is filled with blood? A. Arthropoda – InterviewSolution

1.	In which group of animals, coelom is filled with blood? A. Arthropoda B. Annelida C. Nematoda D. Echinodermata
Answer» Coelom is filled with blood in case of animal groups having an open circulatory system. The open circulatory system is a type of circulatory system in which blood is pumped by the heart directly into the body cavities, where tissues are surrounded by the blood and not into blood vessels.

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