This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 566 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 566 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The main artery of the body supplyong oxygenated blood to the circulatory system. A) Arterioles. B) Aorta. C) Vena Cava. D) Venules. Show Answer Correct Answer: B) Aorta. 2. Where are red blood cells broken down? A) Liver. B) Heart. C) Kidneys. D) Pancreas. Show Answer Correct Answer: A) Liver. 3. How many thing(s) make your circulatory system? A) 6. B) 1. C) 3. D) 5. Show Answer Correct Answer: C) 3. 4. Build up of plague inside the arteries. A) Atheroslerosis. B) Stroke. C) Heart Attack. D) CVD. Show Answer Correct Answer: A) Atheroslerosis. 5. Define Platelets A) A part of a cell that is found in blood that helps blood to clot on a wound. B) The liquid part of blood. C) A blood cell that helps fight germs and diseases. D) A blood cell that helps fight germs and diseases. Show Answer Correct Answer: A) A part of a cell that is found in blood that helps blood to clot on a wound. 6. What is the main function of the pulmonary veins in the circulatory system? A) Carry oxygenated blood to the body. B) Carry deoxygenated blood to the lungs. C) Involved in the clotting process of the blood following an injury. D) Protect against disease and harmful bacteria; produce antibodies. Show Answer Correct Answer: A) Carry oxygenated blood to the body. 7. Capillaries are very tiny vessels that ..... A) Move blood out of the way. B) Pump blood to the heart. C) Pump the nutrients to the brain. D) Enable oxygen, carbon dioxide, and nutrients to move between your circulatory system and your entire body. Show Answer Correct Answer: D) Enable oxygen, carbon dioxide, and nutrients to move between your circulatory system and your entire body. 8. Which visual ..... the diagram or the photograph ..... would you used to point out the location of the valve of the heart? A) Photograph. B) Diagram. Show Answer Correct Answer: B) Diagram. 9. Haemoglobin must combine with ..... to form haemoglobinic acid. A) Hydrogen ions. B) Carbonic acid. C) Electron. D) Carbon dioxide. Show Answer Correct Answer: A) Hydrogen ions. 10. Which blood vessel is responsible for gas exchange? A) Artery. B) Vein. C) Capillary. D) None of above. Show Answer Correct Answer: C) Capillary. 11. The (a) system works most closely with the circulatory system. A) A respiratory. B) Nervous. C) Digestive. D) Skeletal. E) Endocrine. Show Answer Correct Answer: A) A respiratory. 12. Which animal shares the most love? A) HEARTvaark. B) Shark. C) Monkey. D) Lion. Show Answer Correct Answer: A) HEARTvaark. 13. 'BPM' stands for A) Beats per minute. B) Beats per mile. C) Better per minute. D) Both post mile. Show Answer Correct Answer: A) Beats per minute. 14. During atrial contraction and ventricular filling, A) The AV valves are open. B) The semilunar valves are open. C) The ventricles are contracted. D) The atria are relaxed. Show Answer Correct Answer: A) The AV valves are open. 15. Which of the description below is NOT referring to erythrocytes? A) Do not contain a nucleus. B) Contain mitochondria. C) Contain haemoglobin. D) Have a biconcave shape. Show Answer Correct Answer: B) Contain mitochondria. 16. Yellow liquid portion of your blood. It contains important proteins that are responsible for vital functions such as helping your blood clot & defending your body against infections. A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) Plasma. Show Answer Correct Answer: D) Plasma. 17. The heart contracts and relaxes, it produces heartbeat. A) True. B) False. Show Answer Correct Answer: A) True. 18. What is an effect of vasodilation in temperature regulation when temperatures are high? A) Blood moves deeper into the body to keep the organs warm. B) More blood moves to the skin to release some of the heat. Show Answer Correct Answer: B) More blood moves to the skin to release some of the heat. 19. Heart Attack Warning Sign:Shortness of Breath A) Men. B) Women. C) Both. D) None of above. Show Answer Correct Answer: C) Both. 20. How many beats/minute is the heart rate in chickens? A) 32-44. B) 60-80. C) 70-80. D) 200-400. Show Answer Correct Answer: D) 200-400. ← 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