This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 423 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 423 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many chambers is the heart divided into? A) TWO. B) THREE. C) FOUR. D) FIVE. Show Answer Correct Answer: C) FOUR. 2. The heart receives oxygen-rich blood from the lungs via the A) Pulmonary vein. B) Pulmonary artery. C) Vena cava. D) Aorta. Show Answer Correct Answer: A) Pulmonary vein. 3. What is the singular term for 'atria'? A) Ventriculus. B) Atrium. C) Valve. D) Chamber. Show Answer Correct Answer: B) Atrium. 4. Veins generally carry carbon dioxide rich blood back to the heart. A) False. B) True. Show Answer Correct Answer: B) True. 5. It refers to the exchange of gases that occurs between the blood and the blood cells. A) Breathing. B) External Respiration. C) Internal Respiration. D) Cellular Respiration. Show Answer Correct Answer: C) Internal Respiration. 6. How many minutes a day should you exercise? A) 60. B) 3 or 4. C) No more than 1 minute per day. D) None of above. Show Answer Correct Answer: A) 60. 7. Red blood cells move around the body through the ..... A) Circling system. B) Circulatory system. C) Circus system. D) Circulating system. Show Answer Correct Answer: B) Circulatory system. 8. Veins carry deoxygenated blood where? A) Toward the heart. B) Away from the heart. C) To the body. D) To the brain. Show Answer Correct Answer: A) Toward the heart. 9. Arteriole A) Arteries (pulses). B) Venous Catheter (Back). Show Answer Correct Answer: A) Arteries (pulses). 10. What fibres allow the ventricles to contract? A) On. B) OF. C) Purkinje. D) Bundle of His. Show Answer Correct Answer: C) Purkinje. 11. What is the scientific name of heart? A) Cardio. B) Lung. C) Arteries. D) Veins. Show Answer Correct Answer: A) Cardio. 12. Heart disease can result in a reduced amount of oxygen moving properly through the body. Which body system does heart disease MOST directly affect? A) Skeletal. B) Muscular. C) Circulatory. D) Digestive. Show Answer Correct Answer: C) Circulatory. 13. The lower, discharging chambers of the heart are called ..... A) Atria. B) Pulmonary. C) Ventricles. D) Coronary. Show Answer Correct Answer: C) Ventricles. 14. Where can you find the heart in your body? A) Close to center, between your collarbones. B) The left side of your chest. C) The right side of your chest. D) Below the stomach. Show Answer Correct Answer: A) Close to center, between your collarbones. 15. Whole blood is processed through an apheresis machine that extracts plasma. The rest of the blood is returned to the donor. A) Plateletpheresis. B) Plasmapheresis. C) Leukoreduction. D) Agglutination. Show Answer Correct Answer: B) Plasmapheresis. 16. Blood goes to the lungs to ..... A) Pickup oxygen. B) Pickup carbon dioxide. Show Answer Correct Answer: A) Pickup oxygen. 17. Identify direction of blood flow below to describe CYCLE 2 of cardiac cycle. A) Blood moves into atrium and ventricle. B) Blood moves out of atrium into ventricle. C) Blood moves into atrium and out of ventricle. D) Blood moves out of both atrium and ventricle. Show Answer Correct Answer: B) Blood moves out of atrium into ventricle. 18. This component of the blood helps in the blood clotting process. A) Plasma. B) RBC. C) WBC. D) Platelets. Show Answer Correct Answer: D) Platelets. 19. What is protective double membrane covering over heart? A) Myocardium. B) Heart wall. C) Pericardium. D) None of the above. Show Answer Correct Answer: C) Pericardium. 20. Delivers oxygen to your body cells. Made in bone marrow. A) White blood cell. B) Red blood cell. C) Respiratory system. D) Lungs. Show Answer Correct Answer: B) Red blood cell. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books