Question

3. Write the different phyla, their animals and their circulatory
system in a tabular form
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Answer 1

Answer:

There are two types of circulatory systems found in animals: open and closed circulatory systems. In an open circulatory system, blood vessels transport all fluids into a cavity. When the animal moves, the blood inside the cavity moves freely around the body in all directions.

Answer 2

Answer:

The circulatory system is effectively a network of cylindrical vessels the arteries, veins and capillaries that emanate from a pump, the heart

Explanation:

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