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Answer the following questions as either true or false. Circulation is the Key Humans have a closed circulatory system. true false The human circulatory system is a network of vessels that pass through your entire body. true false All organisms have a closed circulatory system. true false Although important, the circulatory system interacts with only a few other systems in your body. true false It would be dangerous for an organism if the fluids in a closed circulatory system were to leave the body. true false One of the main function of the circulatory system is to transport oxygen to all of your body's cells. true false Compounds that are created in the brain can be sent to your liver by your circulatory system. true false Your circulatory system is not important to your digestive system. true false Your circulatory system helps carry waste products from your cells. true false If a cell needs oxygen, then it needs access to the fluids in your digestive system. true false |