This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 94 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 94 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. These are blood vessels that carry blood AWAY from the heart. A) Atria. B) Ventricles. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 2. What is the term used for a group of tissues working together? A) Tissue. B) Organ. C) Plasma. D) Nutrients. Show Answer Correct Answer: B) Organ. 3. Ready for a little biology fun? Let's dive into the human body! Can you tell me what superpower platelets have? A) Carrying carbon dioxide. B) Transporting oxygen. C) Fighting infections. D) Helping blood clot. Show Answer Correct Answer: D) Helping blood clot. 4. How does blood get from the right ventricle to the lung? A) Pulmonary artery. B) Pulmonary vein. C) Carotid artery. D) Aorta artery. Show Answer Correct Answer: A) Pulmonary artery. 5. "There is more carbon dioxide than oxygen in exhaled air." Is this statement true or false? A) True!!!. B) False. Show Answer Correct Answer: B) False. 6. Waste products include dead blood cells and carbon dioxide. A) True. B) False. Show Answer Correct Answer: A) True. 7. ..... is a fluid part of the blood. A) Platelets. B) Plasma. C) Blood cells. D) Fluid. Show Answer Correct Answer: B) Plasma. 8. True/FalseWBCs function is to clot blood when there is an injury. A) True. B) False. C) Cant Say. D) None of above. Show Answer Correct Answer: B) False. 9. The most inner layer of a blood vessel is ..... ? A) Tunica adventitia. B) Tunica media. C) Intimate tunic. D) None of above. Show Answer Correct Answer: C) Intimate tunic. 10. Which one helps with blood clotting? A) Red blood cells. B) Plasma. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. 11. If there is higher pressure in the aorta, there will be no movement of blood out of the ventricle A) False. B) True. Show Answer Correct Answer: B) True. 12. The pacemaker of the heart is A) A device to stabilize the heart. B) Sino-atrial Node in Right atrium. C) Sino-atrial Node in Medulla. D) None of the above. Show Answer Correct Answer: B) Sino-atrial Node in Right atrium. 13. Which of the following represents the proper direction of blood flow? A) From capillaries to arterioles to arteries. B) From arteries to veins to capillaries. C) From arterioles to capillaries to venules. D) From veins to venules to capillaries. Show Answer Correct Answer: C) From arterioles to capillaries to venules. 14. Sieve-tube cells and companion cells work together to transport sugar and nutrients inside plants. Together sieve-tube cells and companion cells form ..... A) An organ system. B) Organism. C) An organ. D) A tissue. Show Answer Correct Answer: D) A tissue. 15. Which of the following correctly shows the pathway of the blood through the heart? A) Vena cava$\rightarrow$ Pulmonary vein$\rightarrow$right atrium-$\rightarrow$ bicuspid valve. B) Aorta$\rightarrow$Left atrium$\rightarrow$bicuspid valve-$\rightarrow$Left ventricle. C) Vena cava $\rightarrow$ Bicuspid valve$\rightarrow$ Lungs$\rightarrow$Right ventricle. D) Vena cava$\rightarrow$ Right ventricle$\rightarrow$Pulmonary vein-$\rightarrow$Left ventricle. Show Answer Correct Answer: D) Vena cava$\rightarrow$ Right ventricle$\rightarrow$Pulmonary vein-$\rightarrow$Left ventricle. 16. Which valve sits between the lower right chamber and arteries leading to the lungs A) Pulmonary. B) Tricuspid. C) Bicuspid. D) Aortic. Show Answer Correct Answer: A) Pulmonary. 17. This system allows for movement of the body. A) Muscular. B) Nervous. C) Outgrowths. D) Skeletal. Show Answer Correct Answer: A) Muscular. 18. ..... carry blood from the body cells back to the heart. A) Veins. B) Arteries. C) Heart. D) Capillaries. Show Answer Correct Answer: A) Veins. 19. Which part of the blood contains a protein called hemoglobin that helps carry oxygen? A) Plasma. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: C) Red blood cells. 20. What are red blood cells also known as? A) Leucocytes. B) Thrombocytes. C) Erythrocytes. D) None of above. Show Answer Correct Answer: C) Erythrocytes. 21. What is the main organ for respiratory system? A) Pancreas. B) Heart. C) Liver. D) Lungs. Show Answer Correct Answer: D) Lungs. 22. Oxygen-rich blood from (BLANK) enters (BLANK) atrium and then (BLANK) ventricle. A) 1. Lungs2. Left3. Left. B) 1. Lungs2. Left 3. Right. C) 1. Heart2. Left 3. Left. D) 1. Lungs 2. Right 3. Right. Show Answer Correct Answer: A) 1. Lungs2. Left3. Left. 23. Carries blood from the lungs to the left atrium A) Four pulmonary veins. B) Pulmonary trunk. C) Superior vena cava. D) Inferior vena cava. Show Answer Correct Answer: A) Four pulmonary veins. 24. What two organ systems are involved in the transfer of oxygen to the cells from outside the body? A) Skeletal and digestive. B) Skeletal and respiratory. C) Circulatory and digestive. D) Circulatory and respiratory. Show Answer Correct Answer: D) Circulatory and respiratory. 25. How many chambers in human heart? A) One. B) Two. C) Three. D) Four. Show Answer Correct Answer: D) Four. 26. What happens to blood in the walls of your lungs? A) Carbon dioxide is exchanged for oxygen. B) Oxygen is exchanged for carbon dioxide. C) Both oxygen and carbon dioxide are added to the blood. D) Both oxygen and carbon dioxide are removed from the blood. Show Answer Correct Answer: A) Carbon dioxide is exchanged for oxygen. 27. From Station 4:The Red Blood cell has a primary function of ..... A) Aiding in digestion. B) Fighting infection. C) Making bone marrow. D) Transporting oxygen. Show Answer Correct Answer: D) Transporting oxygen. 28. ..... carry the blood away from the heart and ..... carry blood to the heart. A) Neurons; Arteries. B) Arteries; veins. C) Veins; arteries. D) Neurons; Veins. Show Answer Correct Answer: B) Arteries; veins. 29. What is the name of the iron-containing protein that gives color to red blood vessels? Hemocyanin Pyrite Hemoglobin Myoglobin A) Pilvia. B) Hemoglobin. C) Hemocitina. D) Myoglobina. Show Answer Correct Answer: B) Hemoglobin. 30. What is the Circulatory system mostly made up of? A) Blood Vessels. B) Veins. C) Blood. D) Arteries. Show Answer Correct Answer: A) Blood Vessels. 31. These carry blood back to the heart A) Veins. B) Arteries. C) Blood. D) Capillaries. Show Answer Correct Answer: A) Veins. 32. Is a specialized muscular organ located in the middle of the chest with its apex tilted to the left side? A) Veins. B) Liver. C) Heart. D) Lungs. Show Answer Correct Answer: C) Heart. 33. When starch is present iodine turns ..... A) Blue-black. B) Orange. C) Brick red. D) Purple. Show Answer Correct Answer: A) Blue-black. 34. The circulatory system works with the ..... system to help our body obtain energy from the food we eat A) Respiratory. B) Nervous. C) Digestive. D) Skeletal. Show Answer Correct Answer: C) Digestive. 35. The part of blood that kills invaders like bacteria and viruses A) White blood cells. B) Platelets. C) Plasma. D) Red blood cells. Show Answer Correct Answer: A) White blood cells. 36. Identify the type of blood vessel described:A blood vessel that carries oxygenated blood through its muscular walls. A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: B) Artery. 37. Select the structure and explanation of how it contributes to the way the human system functions. A) Heart replaces carbon dioxide with oxygen. B) Blood vessels transport nutrients and oxygen. C) Heart replaces oxygen with carbon dioxide. D) Blood vessels pump heart rate. Show Answer Correct Answer: B) Blood vessels transport nutrients and oxygen. 38. The shape of the RBC allows for a greater surface area so the cell can A) Reproduce quicker. B) Hold additional hemoglobin. C) Exchange gasses more quickly. D) Fit through capillaries easily. Show Answer Correct Answer: C) Exchange gasses more quickly. 39. The organ of the circulatory system that pumps blood is ..... A) Blood. B) Heart. C) Lymph nodes. D) Blood vessels. Show Answer Correct Answer: B) Heart. 40. Large multicellular organisms have a large TSA/V ratio. A) True. B) False. Show Answer Correct Answer: B) False. 41. This structure prevents the backwards movement of blood: A) Ventricle. B) Valve. C) Vein. D) Atrium. Show Answer Correct Answer: B) Valve. 42. BONUS QUESTION:About how many times does the heart beat in a day? A) 50, 000. B) 500, 000. C) 100, 000. D) 10, 000. Show Answer Correct Answer: C) 100, 000. 43. Type of cell that defends the body against infectious disease: A) Leukocyte. B) Erythrocyte. C) Red blood cell. D) Thrombocyte. Show Answer Correct Answer: A) Leukocyte. 44. What is the left ventricle? A) Makes your blood move fatser. B) Pumps oxygen-rich blood out to the body through the aorta. C) Brings oxygen-rich blood from lungs to heart. D) The smaller ventricle. Show Answer Correct Answer: B) Pumps oxygen-rich blood out to the body through the aorta. 45. What vocabulary word means a blood cell that fights disease? A) Red blood cell. B) Plasma. C) White blood cell. D) Platelets. Show Answer Correct Answer: C) White blood cell. 46. Heart conditions that include diseased vessels, structural problems, and blood clots A) Heart Function Failure. B) Cardiac Muscle Tissue. C) Heart Disease. D) Vessel Atrophy. Show Answer Correct Answer: C) Heart Disease. 47. Complete this sentence:The right side of the heart receives blood from the ..... and pumps it to the lungs. (Page 9) A) Lungs. B) Oxygen. C) Foot. D) Body. Show Answer Correct Answer: D) Body. 48. What is the heart made up of? A) Bone. B) Tendons. C) Cartilage. D) Thick muscle. Show Answer Correct Answer: D) Thick muscle. 49. Humans have BLUE blood. A) False. B) True. Show Answer Correct Answer: A) False. 50. Mammals have ..... atrium A) One. B) Two. C) Three. D) None of above. Show Answer Correct Answer: B) Two. 51. Which of the following helps form scabs? A) Plasma. B) White blood cells. C) Platelets. D) Red Blood cells. Show Answer Correct Answer: C) Platelets. 52. Which type of blood vessels carry blood towards the heart from the rest of the body? A) Vein. B) Arterioles. C) Artery. D) Capillary. Show Answer Correct Answer: A) Vein. 53. Another name for Red Blood Cells is leukocytes A) False. B) True. Show Answer Correct Answer: A) False. 54. There are 2 main circulatory systems in the body called the cardiovascular and lymphatic A) False. B) True. Show Answer Correct Answer: B) True. 55. Which part of human blood carries hormones and nutrients? A) White blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: D) Plasma. 56. What is a carnivore? A) An animal that gets energy by eating other animals. B) An animal that gets energy by eating only plants. C) An animal that gets energy by eating both plants and animals. D) None of above. Show Answer Correct Answer: A) An animal that gets energy by eating other animals. 57. Identify the type of blood vessel described:A blood vessel that has valves and thin walls. A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: A) Vein. 58. Which blood vessel carries blood from the lungs to the heart? A) Pulmonary vein. B) Vena cava. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: A) Pulmonary vein. 59. What does anaerobic mean? A) Without oxygen. B) With oxygen. Show Answer Correct Answer: A) Without oxygen. 60. Where is blood made in order to replenish the body's blood supply? A) The brain. B) Inside the kidneys. C) Inside your bones from bone marrow. D) None of above. Show Answer Correct Answer: C) Inside your bones from bone marrow. ← 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