This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 72 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 72 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The main parts of the circulatory system are: A) Heart, liver, brain, kidney. B) Heart, arteries, veins, capillaries. C) Esophagus, stomach, intestines. D) Lungs, bronchial tubes, alveoli. Show Answer Correct Answer: B) Heart, arteries, veins, capillaries. 2. Singular or Plural Subjects:The cat (a) their food from the bowl. A) A eats. B) Eat. Show Answer Correct Answer: A) A eats. 3. What are the top chambers of the heart called? A) Atria (Singular; atrium). B) Chambers. C) Ventricle. D) None of above. Show Answer Correct Answer: A) Atria (Singular; atrium). 4. What type of blood vessels normally carry de-oxygenated blood back to the heart from body cells? A) Pulse. B) Capillaries. C) Veins. D) Arteries. Show Answer Correct Answer: C) Veins. 5. The circulatory system is made up of what components? A) Heart and vascular system. B) Arteries, veins and heart. C) Heart, veins and capillaries. D) Arteries, veins and capillaries. Show Answer Correct Answer: A) Heart and vascular system. 6. Blood that has circulated from the body's tissues will enter the heart chambers first in the ..... A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: A) Right atrium. 7. Muscles are working in your body even when you are asleep and still. A) True. B) False. Show Answer Correct Answer: A) True. 8. These are little fragments of cell. it helps blood vessel when it gets damaged, helps the blood clot and seal the wound. A) Plasma. B) Platelets. C) Red blood cell. D) White blood cell. Show Answer Correct Answer: B) Platelets. 9. What are the small blood vessels that transport oxygen and nutrients A) Artery. B) Capillaries. C) Cholesterol. D) Veins. Show Answer Correct Answer: B) Capillaries. 10. It is the largest artery in humans. A) Aorta. B) Pulmonary artery. C) Inferior vena cava. D) Superior vena cava. Show Answer Correct Answer: A) Aorta. 11. An irregular sound sometimes caused by a valve within the heart is called a ..... A) Heart Attack. B) Stroke. C) Murmur. D) Cholesterol. Show Answer Correct Answer: C) Murmur. 12. Components of blood can be separated by using ..... A) Electrolysis method. B) Filtration method. C) Centrifugal method. D) None of above. Show Answer Correct Answer: C) Centrifugal method. 13. A waxy substance that occurs naturally. A) Platelets. B) White blood cells. C) Plaque. D) Cholesterol. Show Answer Correct Answer: D) Cholesterol. 14. The pumping organ of the body? A) Lungs. B) Liver. C) Heart. D) None of above. Show Answer Correct Answer: C) Heart. 15. When you exhale, air goes out of the trachea to the A) Alveoli. B) Pharynx. C) Bronchi. D) Esophagus. Show Answer Correct Answer: B) Pharynx. 16. What is the term for hearts with multiple chambers? A) Multichambered. B) Plurichambered. C) Multicardiac. D) Polyhearted. Show Answer Correct Answer: A) Multichambered. 17. What are the 4 cavities of the heart? A) Auricles and veins. B) Ventricles and valves. C) Valves and arteries. D) Auricles and ventricles. Show Answer Correct Answer: D) Auricles and ventricles. 18. Which of these vessels are very small and the site where the actual exchange of oxygen takes place? A) Capsize. B) Capillaries. C) Veins. D) Arteries. Show Answer Correct Answer: B) Capillaries. 19. Which metal is present in haemoglobin? A) Zinc. B) Calcium. C) Magnesium. D) Iron. Show Answer Correct Answer: D) Iron. 20. Middle, muscular layer of the heart. A) Pericardium. B) Septum. C) Endocardium. D) Myocardium. Show Answer Correct Answer: D) Myocardium. 21. Mother made a cake yesterday A) A cake made by mother yesterday. B) A cake is made by mother yesterday. C) A cake was made by mother yesterday. D) None of above. Show Answer Correct Answer: C) A cake was made by mother yesterday. 22. Blood pressure decreases A) Systole. B) Diastole. Show Answer Correct Answer: B) Diastole. 23. What carries food, water, oxygen and other materials to the body's cells and tissues A) Blood. B) Nerves. C) Nerves. D) Water. Show Answer Correct Answer: A) Blood. 24. Which of the following is the structural difference between lymph capillary and blood capillary? A) Lymph capillary has blind-ended. B) Lymph capillary is continously. C) Lymph capillary wall is thick. D) Lymph capillary is green in colour. Show Answer Correct Answer: A) Lymph capillary has blind-ended. 25. Deoxygenated blood is transported through pulmonary artery to the lungs. A) Pulmocutaneous circulation. B) Systemic circulation. Show Answer Correct Answer: A) Pulmocutaneous circulation. 26. The valve that separates the right atrium from the right ventricle A) Mitral Valve. B) Aortic Valve. C) Tricuspid Valve. D) Pulmonary Valve. Show Answer Correct Answer: C) Tricuspid Valve. 27. When we breathe out, our diaphragm becomes A) Relaxed and dome shaped. B) Contracted and flattened. C) Relaxed and flattened. D) Dome shaped and contracted. Show Answer Correct Answer: A) Relaxed and dome shaped. 28. Blood leaves the right ventricle through the ..... A) Pulmonary trunk. B) Superior vena cava. C) Coronary sinus. D) Aorta. Show Answer Correct Answer: A) Pulmonary trunk. 29. Which veins does the blood flow through when returning to the heart? A) Through the veins. B) Aorta and capillaries. C) Arteries and veins. D) Lungs and brain. Show Answer Correct Answer: A) Through the veins. 30. The ....., or "pacemaker", generates the electrical impulses to make your heart beat. A) AT Node. B) Because of the difference. C) AED Machine. D) VT Node. Show Answer Correct Answer: B) Because of the difference. 31. What is constantly circulating through your body? A) Blood. B) Blood circulates while you are awake but then stops when you are sleeping. C) Water. D) Feces. Show Answer Correct Answer: A) Blood. 32. Blood vessels that carry blood away from the heart are known as: A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Arteries. 33. What part of the brain controls heart rate, blood pressure and respiration rate? A) The corpus callosum. B) The cerebrum. C) The brain stem. D) The thalamus. Show Answer Correct Answer: C) The brain stem. 34. The pharynx, larynx trachea and bronchi ..... A) Are the passages that air passes through. B) Transfer oxygen to the cells. C) Are inside the lungs and exchange oxygen and carbon dioxide. D) None of above. Show Answer Correct Answer: A) Are the passages that air passes through. 35. RESPI or CICRU. Read analyze the following statement/situation and determine whether it describes the Respiratory System or Circulatory System. Question:It delivers oxygen to our cells such as blood. A) RESPOND. B) CIRCU. Show Answer Correct Answer: B) CIRCU. 36. This is something that can relax and contract to move your bones! A) Brain. B) Cartilage. C) Joint. D) Muscle. Show Answer Correct Answer: D) Muscle. 37. True or false? When blood is poor in oxygen, the heart sends the blood to the lungs. A) False. B) True. Show Answer Correct Answer: B) True. 38. What is the top layer of the skin called? A) Dermis. B) Hypodermis. C) Epidermis. D) Subcutaneous. Show Answer Correct Answer: C) Epidermis. 39. Which of the following would be considered an abnormally fast heart rhythm? A) Arrhythmia. B) Bradycardia. C) Tachycardia. D) None of the above. Show Answer Correct Answer: C) Tachycardia. 40. All blood vessels are the same size. A) True. B) False. Show Answer Correct Answer: B) False. 41. The process of diffusion is the transfer of a substance from an area of ..... ? A) Higher concentration to lower concentration. B) Lower concentration to higher concentration. Show Answer Correct Answer: A) Higher concentration to lower concentration. 42. What do you call a hollow muscular organ located in the chest between the lungs? It is also the pumping organ of the body. A) Blood vessels. B) Blood. C) Heart. D) Nerves. Show Answer Correct Answer: C) Heart. 43. Bradycardia means A) Fast heart rate. B) Without heart beat. C) Slow heart rate. D) Bad heart rate. Show Answer Correct Answer: C) Slow heart rate. 44. What am I? I connect the arteries to the capillaries A) Arteriole. B) Venule. Show Answer Correct Answer: A) Arteriole. 45. Passage connecting your throat and lungs. A) Pharynx. B) Diaphragm. C) Trachea. D) Bronchial tubes. Show Answer Correct Answer: C) Trachea. 46. All arteries carry deoxygenated blood except pulmonary artery. A) False. B) True. Show Answer Correct Answer: A) False. 47. It is where the air enters and filters A) Nose. B) Nasal passage. C) Trachea. D) Alveoli. Show Answer Correct Answer: A) Nose. 48. Which blood vessel delivers oxygen rich blood to the cells A) Aorta. B) Pulmonary Vein. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 49. Which type of blood cell has a nucleus? A) White blood cell. B) Red blood cell. C) Platelets. D) None of the above. Show Answer Correct Answer: A) White blood cell. 50. How many gallons of blood does the heart pump each day? A) 3, 000. B) 100.000. C) 2, 000. D) 1, 000. Show Answer Correct Answer: C) 2, 000. 51. What happens to the heart during systole? A) Blood is re-oxygenated. B) A brief period of rest. C) The ventricles contract. D) The atria contracts. Show Answer Correct Answer: C) The ventricles contract. 52. The function of the circulatory system is A) Carrying blood throughout the body. B) Carrying oxygen, nutrients and wastes throughout the body. C) Eliminating solid and liquid waste produced in digestion. D) All of the above. Show Answer Correct Answer: B) Carrying oxygen, nutrients and wastes throughout the body. 53. Blood carries away waste materials. This refers to what function of the circulatory system? A) Transportation. B) Elimination. Show Answer Correct Answer: B) Elimination. 54. The blood flowing within the left atrium travels to which part of the circulatory system next? A) Right atrium. B) Left ventricle. C) Right ventricle. D) Aorta. Show Answer Correct Answer: B) Left ventricle. 55. What are the tubes that carry the blood? A) Ventricles. B) Blood vessels. C) Aorta. D) Hemoglobin. Show Answer Correct Answer: B) Blood vessels. 56. What chemical is released during the vascular phase which causes vessel wall spasms A) Fibrinogen. B) Albumin. C) Dopamine. D) Serotonin. Show Answer Correct Answer: D) Serotonin. 57. Right atrium Where do you get your blood from? A) Body parts. B) Left atrium. C) Right ventricle. D) Lungs. Show Answer Correct Answer: A) Body parts. 58. Another word for pulse, or heartbeat is ..... A) Blood. B) Heart disease. C) Heart rate. D) Risk. Show Answer Correct Answer: C) Heart rate. 59. The circulatory system is the body system that makes you move and give support to the body. A) True. B) False. Show Answer Correct Answer: B) False. 60. In pulmonary circulation blood is taken from ..... A) The heart to the lungs, and back again. B) The heart to the rest of the body. C) The lungs to the rest of the body. D) None of above. Show Answer Correct Answer: A) The heart to the lungs, and back again. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books