This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 95 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 95 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Blood carries oxygen due to the presence of ..... A) Haemoglobin. B) Haematin. C) Chlorophyll. D) Xanthophyll. Show Answer Correct Answer: A) Haemoglobin. 2. What makes the sound of your heartbeat? A) Your heart pumping blood. B) The closing of the valves in your heart. C) High blood pressure. D) Digestion. Show Answer Correct Answer: B) The closing of the valves in your heart. 3. When you expire the ribs move ..... A) Up and out. B) Up and in. C) Down and out. D) Down and in. Show Answer Correct Answer: D) Down and in. 4. What is the order that blood flows through the heart? A) Atrium, blood vessel, ventricle. B) Atrium, ventricle, blood vessel. C) Blood vessel, ventricle, atrium. D) Ventricle, atrium, blood vessel. Show Answer Correct Answer: B) Atrium, ventricle, blood vessel. 5. Blood consists of: A) The heart and the veins. B) Blood cells and arteries. C) Plasma and blood cells. D) None of above. Show Answer Correct Answer: C) Plasma and blood cells. 6. These are the characteristics of arterioles, EXCEPT A) Control the blood flow between other arteries and capillaries. B) Cannot constrict. C) Has a poorly defined tunica adventitia. D) The smallest artery. Show Answer Correct Answer: B) Cannot constrict. 7. Which of the following is the third stop along the electrical conduction pathway? A) Because of the difference. B) AV Node. C) Right and Left Bundle Branches. D) Bundle of His. Show Answer Correct Answer: D) Bundle of His. 8. Water and minerals move in which direction within the plant A) Upward. B) Down. Show Answer Correct Answer: A) Upward. 9. Which of the following is the best example of osmosis? A) NA/K Pump. B) Water moving though the cell membrane. C) Kidneys. D) Photosynthesis. Show Answer Correct Answer: B) Water moving though the cell membrane. 10. What is the term for the smallest blood vessels in the human body? A) Veins. B) Lymphatic vessels. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 11. Which of the following is not true about the human circulatory system? A) The atria pump blood out of the heart. B) Veins move blood towards the heart. C) Leukocytes fight microbes that may cause diseases. D) Our heart rate changes in response to our physical activity. Show Answer Correct Answer: A) The atria pump blood out of the heart. 12. Which muscles are involuntary? A) Skeletal. B) Cardiac. C) Smooth. D) Smooth and cardiac. Show Answer Correct Answer: D) Smooth and cardiac. 13. Contract and expand with the heart beat: A) Arteries. B) Veins. C) Venules. D) Capillaries. Show Answer Correct Answer: A) Arteries. 14. Another name for the circulatory system is A) Nervous system. B) Digestive system. C) Respiratory system. D) Cardiovascular system. Show Answer Correct Answer: D) Cardiovascular system. 15. True or false:Your circulatory system is like a clean up crew. It breaks down waste. A) True. B) False. Show Answer Correct Answer: B) False. 16. A hollow muscular organ about the size heart of a clenched fist. A) Liver. B) Heart. C) Lungs. D) Brain. Show Answer Correct Answer: B) Heart. 17. What causes the classic lub dub heart sounds? A) Filling and emptying of the chambers in the heart. B) Blood moving through arteries. C) Blood leaving the aorta. D) Blood moving through the capillaries. Show Answer Correct Answer: A) Filling and emptying of the chambers in the heart. 18. Major artery that takes blood away from the heart to all parts of the body A) Atria. B) Pulmonary. C) Aorta. D) Vena cava. Show Answer Correct Answer: C) Aorta. 19. What is CHD? A) Computer Hard Disk. B) Coronary Heart Disease. C) Controlled healthy Diet. D) None of above. Show Answer Correct Answer: B) Coronary Heart Disease. 20. Which of the following is NOT apart of the circulatory system? A) Heart. B) Blood Vessels. C) Blood. D) Stomach. Show Answer Correct Answer: D) Stomach. ← 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