Question

What is haemocoel? Which group of animals have haemocoel? Plz answer me fast....It's very urgent..............

Answer 1

Listen, haemocoel is basically a body cavity seen mostly in invertebrates containing circulatory fluid. 
for eg,: arthropods like cockroach and molluscs like pearl oyster, ect..

Answer 2

Explanation:

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What is haemocoel? Which group of animals have haemocoel?

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♡ Haemocoel is the body cavity of many invertebrates, including arthropods and molluscs.

♡ Eq:-Insects, cockroaches, pila

♡ Insects do not possess an arrangement of blood vessels such as those in mammals.

♡ Instead insects have a cavity that is full of insect blood and the organs of the insect are suspended in this cavity.