This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 177 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 177 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The circulatory system in humans is similar to that of frogs, and earthworms because ..... A) It is a closed system. B) It is an open system. C) Humans are cold blooded. D) None of the above. Show Answer Correct Answer: A) It is a closed system. 2. Which of he following layers of the heart and their function are correctly matched? A) Epicardium-protective inner layer of the heart chambers and valves. B) Myocardium-cardiac muscle tissue that pumps blood our of the heart chambers. C) Endocardium-protective outer coating. D) Pericardium-protective inner lining of the heart chambers. Show Answer Correct Answer: B) Myocardium-cardiac muscle tissue that pumps blood our of the heart chambers. 3. How does a red blood cell attach oxygen to itself? A) With hemoglobin. B) With platelets. C) With erythrocytes. D) With plasma. Show Answer Correct Answer: A) With hemoglobin. 4. Which tube carries oxygen to the lungs and known as the windpipe? A) Esophagus. B) Alveoli. C) Trachea. D) Epiglottis. Show Answer Correct Answer: C) Trachea. 5. A disorder relating to the valves of the heart might be classified as A) A heart murmur. B) A stroke. C) A heart attack. D) A bummer. Show Answer Correct Answer: A) A heart murmur. 6. The cilia in the nasal cavity: A) Trap dust from the air. B) Produce sticky mucus. C) Sweep away trapped particles. D) Moisten the air taken in. Show Answer Correct Answer: C) Sweep away trapped particles. 7. Why was Sidney out of breath and why did her arms and legs hurt during gym class? A) Because she did a lot of push-ups and squats before class started. B) Because she doesn't take care of her muscles and heart. C) Because she was arm wrestling Mr. Josh before class started. D) None of above. Show Answer Correct Answer: B) Because she doesn't take care of her muscles and heart. 8. Which of the following does NOT belong to the circulatory system? A) Blood vessels. B) Esophagus. C) Blood. D) Heart. Show Answer Correct Answer: B) Esophagus. 9. TRUE or FALSEBlood vessels are the tubes that carry blood from the heart to all parts of the body. A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 10. All arteries carry oxygenated blood away from the heart EXCEPT: A) Pulmonary arteries. B) The aorta. C) Arterioles. D) Trick question-none do. Show Answer Correct Answer: A) Pulmonary arteries. 11. True or False:Arteries bring blood back to the heart? A) False. B) True. Show Answer Correct Answer: A) False. 12. Blood provides the body with ..... A) Air & water. B) Oxygen & nutrients. C) Food & waste. D) Muscles & bones. Show Answer Correct Answer: B) Oxygen & nutrients. 13. During this stage, bone growth occurs at growth plates. A) Infancy. B) Childhood. C) Adulthood. D) None of above. Show Answer Correct Answer: B) Childhood. 14. What is the center of the Circulatory System? A) The heart. B) The arteries. C) The lungs. D) The blood vessels. Show Answer Correct Answer: A) The heart. 15. Which is the only vein which carry pure blood A) Vena cava. B) Pulmonary Vein. C) Aorta. D) Pure vein. Show Answer Correct Answer: B) Pulmonary Vein. 16. What is the role of Circulatory system in our body? A) To transfer waste materials. B) To transfer nutrients. C) To transfer hormones. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. A dome-shaped sheet of tissue A) Epiglottis. B) Trachea. C) Pleura. D) Diaphragm. Show Answer Correct Answer: D) Diaphragm. 18. A chronic disease characterized by abdominal thickening and hardening of the arterial walls with resulting loss of elasticity A) Cappillarosclerosis. B) Arteriosclerosis. C) Arteriosclerosis. D) Atherosclerosis. Show Answer Correct Answer: B) Arteriosclerosis. 19. The iron-containing protein of the red blood cells; serves to carry oxygen from the lungs to the tissues A) Erythrocytes. B) Plasma. C) Leukocytes. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 20. What does a sphygmomanometer do? A) Measures your blood pressure. B) Measures your speed. C) Measures your sphygs. D) Measures your heartbeat. Show Answer Correct Answer: A) Measures your blood pressure. 21. The main purpose of red blood cells is to ..... A) Attack and destroy pathogens. B) Carry gases, wastes and nutrient. C) Clot the blood. D) Digest food. Show Answer Correct Answer: B) Carry gases, wastes and nutrient. 22. Are smallest blood vessels in the circulatory system. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 23. Which vein brings blood from the upper part of the body? A) Pulmonary veins. B) Superior vena cava. C) Inferior vena cava. D) Axillary vein. Show Answer Correct Answer: B) Superior vena cava. 24. What do you call to the thin tissue that covers the lungs? A) Ribs. B) Pleura. C) Breatbone. D) Pericardium. Show Answer Correct Answer: B) Pleura. 25. The flow of blood from the heart to the lungs is called A) Systemic circulation. B) Cardiac circulation. C) Pulmonary circulation. D) Respiratory circulation. Show Answer Correct Answer: C) Pulmonary circulation. 26. The yellowish, liquid part of blood that transports blood cells A) Plums. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: A) Plums. 27. How many red blood cells do we have in each mL of our blood? (assuming our hematocrit is normal) A) 4.5-6 million. B) 4. C) 1.5-2 trillion. D) 300, 000. Show Answer Correct Answer: A) 4.5-6 million. 28. Fight bacteria and viruses by entering infected tissue, destroying bacteria/viruses and engulfing dead/damaged blood cells A) Erythrocytes. B) Thrombocytes. C) Plasma. D) Leukocytes. Show Answer Correct Answer: D) Leukocytes. 29. What is the effect of increasing light intensity in transpiration? A) It decreases transpiration rates. B) It increases transpiration rates. C) It doesn't impact the rate of transpiration. D) None of above. Show Answer Correct Answer: B) It increases transpiration rates. 30. The ..... is the fluid component of the cardiovascular system. A) Lymph. B) Blood. Show Answer Correct Answer: A) Lymph. 31. What are leukocytes also called? A) RBCs. B) Leukocytes. C) White Blood Cells. D) WBCs. Show Answer Correct Answer: C) White Blood Cells. 32. The tricuspid valve separates the atrium and ventricle on which side of the heart? A) Left. B) Right. Show Answer Correct Answer: B) Right. 33. About how many pints of blood do you have in your body? A) 3. B) 9. C) 1, 255. D) 27. Show Answer Correct Answer: B) 9. 34. A hollow muscular organ responsible for pumping the blood throughout the body. A) Lungs. B) Liver. C) Brain. D) Heart. Show Answer Correct Answer: D) Heart. 35. The Semilunar Valve is located at the exit of the heart A) True. B) False. Show Answer Correct Answer: A) True. 36. The type of blood vessels that deliver the food and oxygen to the body cells and carries the carbon dioxide and wastes out from the cells ..... A) Arteries. B) Veins. C) Blood capillaries. D) Heart. Show Answer Correct Answer: C) Blood capillaries. 37. Choose the correct option How many chambers does a Heart contain? A) Five chambers. B) Four Chambers. C) Three Chambers. D) None of these . Show Answer Correct Answer: B) Four Chambers. 38. Which part of a blood vessel does blood flow in? A) Artery. B) Lumen. C) Gap. D) Capillary wall. Show Answer Correct Answer: B) Lumen. 39. Almost 2000 years ago, it was thoughtthat the heart made blood and thenpumped it to every part of the body, where it was used up A) FALSE. B) TRUE. Show Answer Correct Answer: B) TRUE. 40. Tubes that carry blood away from the heart A) Artery. B) Veins. Show Answer Correct Answer: A) Artery. 41. What is blood clotting caused by? A) Lymphocytes. B) Hemoglobin. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 42. In the systemic circuit, deoxygenated blood circulates through A) Veins. B) Lymphatic capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 43. Which of the following represents a normal, healthy blood pressure A) 115/75. B) 80/120. C) 75/40. D) 155/100. Show Answer Correct Answer: A) 115/75. 44. A good place to find your pulse is A) Inside of your wrist. B) On the side of your knees. C) On your head. D) None of above. Show Answer Correct Answer: A) Inside of your wrist. 45. Around how many liters of blood moving through their bodies do adults have? A) 7. B) 10. C) 5. D) None of above. Show Answer Correct Answer: C) 5. 46. How do eating carbohydrates improve body A) Long term energy that can be stored for later. B) Short term energy produced during CR. C) Structure is animals(muscles) during growth and repair. D) None of above. Show Answer Correct Answer: B) Short term energy produced during CR. 47. Tiny vessels that connect arteries and veins (may have multiple answers) A) Arteries. B) Veins. C) Alveoli. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 48. What does the cilia do in the respiratory system? A) The cilia carries food and air through the respiratory system. B) The cilia is known to be part of a cell. C) Cilia filters particles in the air that enter the nose so that they do not get into the lungs. D) Cilia contains the vocal chords. Show Answer Correct Answer: C) Cilia filters particles in the air that enter the nose so that they do not get into the lungs. 49. Is the Circulatory System an important part of our body? A) Yes. B) No. C) I am not sure. D) Maybe. Show Answer Correct Answer: A) Yes. 50. Where does the blood enter back into the heart from the rest of the body? A) Vena Cava. B) Pulmonary Vein. C) Pulmonary Vein. D) Aorta. Show Answer Correct Answer: A) Vena Cava. 51. The primary function of the pancreas is A) Peristalsis. B) Produce enzymes. C) Store bile. D) Produce bile. Show Answer Correct Answer: B) Produce enzymes. 52. ..... occurs when your heart muscle (myocardium) does not get enough blood and oxygen. Not enough blood supply is called ischemia. This can be a symptom of coronary artery disease (CAD). A) High Cholesterol. B) Myocardial Infarction. C) Heart Failure. D) Stroke. E) Angina Pectoris. Show Answer Correct Answer: E) Angina Pectoris. 53. What are the structural characteristics of arteries? A) Narrow lumen, thick wall, no valves. B) Wide lumen, thin wall, have valves. C) Very thin walled, permeable. D) None of the above. Show Answer Correct Answer: A) Narrow lumen, thick wall, no valves. 54. Letter B is known as the A) Valves. B) Septum. C) Aorta. D) Ventricle. Show Answer Correct Answer: C) Aorta. 55. A blood vessel which pumps the blood from the heart to the entire body: A) Haemoglobin. B) Vein. C) Artery. D) Capillary. Show Answer Correct Answer: C) Artery. 56. Pressure in vessel from high to low ..... A) Arteries-Capillaries-Veins. B) Veins-Capillaries-Arteries. C) Veins-Arteries-Capillaries. D) Capillaries-Arteries-Veins. Show Answer Correct Answer: A) Arteries-Capillaries-Veins. 57. What are the 4 chambers of the heart? A) Joint, tendon, ligament, tissue. B) Red, white, blue, orange. C) Right atrium, right ventricle, left atrium, left ventricle. D) Lungs, limbs, arms, legs. Show Answer Correct Answer: C) Right atrium, right ventricle, left atrium, left ventricle. 58. What is the role of the arteries in the circulatory system? A) To produce blood cells. B) To filter waste from the blood. C) To carry blood from the body back to the heart. D) To carry blood from the heart to the rest of the body. Show Answer Correct Answer: D) To carry blood from the heart to the rest of the body. 59. The term "pulmonary" means "relating to or affecting the ..... " A) Lungs. B) Capillaries. C) Heart. D) Valves. Show Answer Correct Answer: A) Lungs. 60. Oxygenated blood enters the aorta via the: A) Right ventricle. B) Right atrium. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. ← 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