Fly, mosquitoes, and cockroach belong to phylum Arthropoda and class Insecta. They have an open circulatory system. They have three pairs of legs and the only cockroach has 13 chambered heart. Mosquitoes have three heart. House fly has no true heart rather they have a network of tubules which open into a cavity
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Answer:
Fly, mosquitoes, and cockroach belong to phylum Arthropoda and class Insecta. They have an open circulatory system. They have three pairs of legs and the only cockroach has 13 chambered heart. Mosquitoes have three heart. House fly has no true heart rather they have a network of tubules which open into a cavity