Assertion: oxygen | /r/CapableOf | oxygenate blood
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text: While it is true that the nervous system controls and regulates all the functions of the body, the actual transportation of oxygen throughout the body begins in the cardiopulmonary system, where oxygen is taken into the lungs and oxygenates blood that flows into pulmonary veins going to the heart, and from their it makes a circuit through the body and into the right side of the heart which receives oxygen poor blood, pumps it through the pulmonary circulation to pick up more oxygen, and from there back to the left side of the heart where it starts a new circuit through the veins and blood vessels delivering fresh oxygen to the body's cells and organs.