What are the two types of circulatory systems in human beings?
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- There are two main types of circulatory systems: open circulatory systems and closed circulatory systems. Open circulatory systems are systems where internal organs and body tissues are surrounded by circulatory fluid.
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There are two main types of circulatory systems: open circulatory systems and closed circulatory systems. Open circulatory systems are systems where internal organs and body tissues are surrounded by circulatory fluid.
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