1. Circulatory system
The heart, blood vessels, blood, lymphatic vessel and lymph, which together serve to transport materials throughout the body
2. Closed circulatory system
Blood flows under pressure through closed vessels in a continuous circuit around the body
3. Open circulatory system
Blood flows into the body cavity from the heart
4. Single closed circulatory system
Blood flows through the heart only once in a complete cycle
5. Double closed circulatory system
Blood flows through the heart twice in a complete cycle
6. Pulmonary circulatory system
Blood flows from the heart to the lung and from the lung to the heart
7. Systemic circulatory system
Blood flows from the heart to the body tissues and from the body tissues to the heart
8. Cardiovascular system
The system consisting of the heart, blood and blood vessel
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