Why is the body cavity of coackroach called haemocoel
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haemocoel is the main body cavity of invertebrates, especially insects
insects do not posses an arrangement of blood vessels such as those in mammals. instead has a cavity full of insect blood called haemolymphy and the organs of the insect are suspended in this cavity. This means the organs do not have a specific blood supply but are suspended in the blood and receive nutrients as blood washes around the organs
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