This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 299 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 299 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many different types of white blood cells are there? A) One. B) Several. C) Two. D) Ten. Show Answer Correct Answer: B) Several. 2. What is the main artery of the circulatory system? A) Pulmonary. B) Inferior vena cava. C) Aorta. D) Superior vena cava. Show Answer Correct Answer: C) Aorta. 3. What do we call the leaked liquid from the capillary that is picked up by the lymphatic system? A) Lymph. B) Blood. C) Lymphocytes. D) None of above. Show Answer Correct Answer: A) Lymph. 4. How does your heart help you live? A) By making you feel good. B) By showing others how much you care. C) By pumping blood throughout your body. D) None of above. Show Answer Correct Answer: C) By pumping blood throughout your body. 5. The nucleus is like the ..... of the cell. A) Foot. B) Hand. C) Stomach. D) Brain. Show Answer Correct Answer: D) Brain. 6. ..... assists in fighting disease, and is responsible for transporting nutrients and oxygen to all the cells of the body. A) Plasma. B) Platelets. C) Blood. D) Red Blood Cells. Show Answer Correct Answer: C) Blood. 7. Which part of the intrinsic conduction system is known as the "pacemaker" of the heart? A) Atrioventricular (AV) node. B) Bundles of His. C) Purkinje fibers. D) Sinoatrial (SA) node. Show Answer Correct Answer: D) Sinoatrial (SA) node. 8. What happens in systemic circulation A) Circulation for the entire body. B) Circulation in the heart only. C) Circulation heart and lungs. D) Circulation to digestion system only. Show Answer Correct Answer: A) Circulation for the entire body. 9. Which chamber of the heart sends low oxygen blood through the pulmonary arteries to the lungs? A) Right ventricle. B) Right atrium. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: A) Right ventricle. 10. The left side of the heart contains blood rich in ..... A) Oxygen gas. B) Carbon dioxide gas. Show Answer Correct Answer: A) Oxygen gas. 11. Which blood vessel carries oxygen rich blood? A) Capillaries. B) Arteries. C) Veins. D) Heart. Show Answer Correct Answer: B) Arteries. 12. What is number 4 labelling? A) Left atrium. B) Left ventricle. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: B) Left ventricle. 13. Which of these is not included in the vascular system? A) Heart. B) Blood vessels. C) Lungs. D) Blood. Show Answer Correct Answer: C) Lungs. 14. Veins have valves to prevent blood A) From flowing upwards. B) From flowing downwards. C) From flowing away from the heart. D) From flowing backwards. Show Answer Correct Answer: D) From flowing backwards. 15. Both nutrients and waste are carried to the liver by your blood. A) True. B) False. Show Answer Correct Answer: A) True. 16. True or False:The inferior vena cava is the largest vein. A) True. B) False. Show Answer Correct Answer: A) True. 17. This protein produces the red color your RBCs have. A) Hemoglobin. B) Chlorophyll. C) Pepsin. D) Antibody. Show Answer Correct Answer: A) Hemoglobin. 18. Does this statement best describe a parallel or a series circuit. When more light bulbs are added they all remain bright. A) Parallel circuit. B) Series circuit. Show Answer Correct Answer: A) Parallel circuit. 19. Our heart pumps the blood rich in OXYGEN to all part of our body. Our blood also transport DIGESTED food and WATER to all part of our body. A) True. B) False. Show Answer Correct Answer: A) True. 20. Atherosclerosis is a disease that causes: A) INFLAMMATION OF VEINS. B) VARICOSE VEINS. C) VEINS TO BECOME WEAK. D) PLAQUE BUILD-UP IN ARTERIES. Show Answer Correct Answer: D) PLAQUE BUILD-UP IN ARTERIES. ← 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