C. The Heart and Pulmonary Circulation Place the following structures in order, tracing the blood flow from the superior vena cava to the heart, to the pulmonary circulation, and out of the heart to the systemic circulation. Start with superior vena cava as number 1. aorta pulmonary capillaries right atrium right ventricle pulmonary arteries pulmonary trunk pulmonary valve pulmonary veins • superior vena cava tricuspid valve aortic valve bicuspid valve left atrium left ventricle 1. 8. 2. 9. 10. 3. 11. 4. 12. 5. 13. 6. 14. 7.

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