Questions on the heart and major vessels with explanations of answers. Download e copies of my text books from campbellteaching.co.uk 1. Which artery carries deoxygenated blood? 2. Which vein carries oxygenated blood? 3. Is the blood in the vena cava high or low in oxyhaemoglobin? 4. Which chamber of the heart discharges blood into the systemic circulation? 5. Which chamber of the heart discharges blood into the pulmonary circulation? 6. Which chamber of the heart receives blood from the body (systemic circulation)? 7. Which chamber of the heart receives blood from the lungs (pulmonary circulation)? 8. In which vessel is blood pressure highest? 9. Which ventricle is most powerful? 10. Which ventricle discharges most blood in a five-minute period? 11. What makes the left ventricle the most powerful pumping chamber? 12. Which valve prevents reflux from the right ventricle back into the right atrium? 13. Which valve prevents reflux from the left ventricle back into the left atrium? 14. Which valve prevents reflux from the aorta back into the left ventricle? 15. Which valve prevents reflux from the pulmonary artery back into the right ventricle?