Read the following statements regarding the human circulatory system.
A . The systemic circulation provides nutrients , oxygen, and other essential substances to all the tissues including the lungs.
B. A unique vascular connection exists between the digestive tract and the liver is called the hepatic portal system.
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The systemic circulation provides nutrients , oxygen, and other essential substances to all the tissues including the lungs
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the sysetemic circulation provides us oxygen,nutrients,tissues including lungs.they are essential for our body
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