Choose the correct answers from the alternatives given. A closed circulatory system is found in:
A
insects
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B
snails
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C
earthworms
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D
scorpions
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Solution
The correct option is C earthworms The earthworm has a closed circulatory system. An earthworm circulates blood exclusively through vessels. There are three main vessels that supply the blood to organs within the earthworm. These vessels are the aortic arches, dorsal blood vessels, and ventral blood vessels.