This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 181 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 181 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Digestive system..... our food. A) Absorbs. B) Digests. C) Stores. D) None of these. Show Answer Correct Answer: B) Digests. 2. Lions, bears, and owls all hunt other animals for their food. They are examples of A) Predators. B) Prey. Show Answer Correct Answer: A) Predators. 3. When you are exercising, the heart pumps faster so that your muscles get more oxygen and work harder. A) True. B) False. Show Answer Correct Answer: A) True. 4. Blood travels TO the heart through the ..... A) Arteries. B) Lungs. C) Oxygen. D) Veins. Show Answer Correct Answer: D) Veins. 5. How many litres of blood does an average adult have A) Field. B) 5-SHL. C) 4-5 L. D) Mud. Show Answer Correct Answer: B) 5-SHL. 6. Have many ventricles are in the human heart? A) 1. B) 4. C) 3. D) 2. Show Answer Correct Answer: D) 2. 7. Why is the human circulatory system a DOUBLE circulatory system? A) Because of the oxygenated and deoxygenated blood. B) Because of the veins and arteries taking the blood in two directions. C) Because of two directions:heart-lungs and heart-body. D) Because of the circulation on the left and on the right side of the body. Show Answer Correct Answer: C) Because of two directions:heart-lungs and heart-body. 8. Many types of tissues form ..... A) Organism. B) Organ. Show Answer Correct Answer: B) Organ. 9. List the blood vessels in order from largest to smallest. A) Artery, vein, capillary. B) Artery, capillary, vein. C) Capillary, vein, artery. D) Vein, blood, capillary, artery. Show Answer Correct Answer: A) Artery, vein, capillary. 10. The veins always carry blood LOW in oxygen. True or False A) False. B) True. Show Answer Correct Answer: A) False. 11. The ..... carry blood from all parts of the body back to the heart A) VEINS. B) CAPILLARIES. C) HEART. D) ARTERIES. Show Answer Correct Answer: A) VEINS. 12. The tricuspid valve separates ..... A) The left and right atrium. B) The right atrium and right ventricle. C) The left and right side of the heart. D) The left atrium and left ventricle. Show Answer Correct Answer: B) The right atrium and right ventricle. 13. The sticky network of protein produced by platelets is A) Fabrin. B) Glucosamine. C) Fibrin. D) Fibrain. Show Answer Correct Answer: C) Fibrin. 14. Which two body systems work together to take in oxygen and release carbon dioxide? A) Muscular and skeletal. B) Digestive and circulatory. C) Respiratory and muscular. D) Circulatory and respiratory. Show Answer Correct Answer: D) Circulatory and respiratory. 15. What protein molecule do red blood cells contain that carries oxygen from the lungs to the body tissues and returns carbon dioxide from the tissues back to the lungs? A) Peptides. B) Glucose. C) Plasma. D) Haemoglobin. Show Answer Correct Answer: D) Haemoglobin. 16. Name of the movement of the heart pumping A) Pulse. B) Heartbeat. Show Answer Correct Answer: B) Heartbeat. 17. Gas exchange occurs in the alveoli in the lungs. A) False. B) True. Show Answer Correct Answer: B) True. 18. The AV valve found on the right side of the heart A) Tricuspid. B) Bicuspid. C) Semi lunar. D) None of above. Show Answer Correct Answer: A) Tricuspid. 19. Adam measures his pulse rate before running. What is the changes on his pulse rate after running? A) Increases. B) Decreases. C) No changes. D) None of above. Show Answer Correct Answer: A) Increases. 20. In the lungs occurs A) The oxygenation of blood. B) The deoxygenation of blood. C) The oxygenation of lymph. D) None of above. Show Answer Correct Answer: A) The oxygenation of blood. 21. An Adult human has how many bones? A) 400. B) 206. C) 964. D) 246. Show Answer Correct Answer: B) 206. 22. Blood vessel that brings blood without oxygen from the body back to the heart A) Wreath. B) Pulmonary veins. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: A) Wreath. 23. What is the primary function of mucus and cilia in the nostrils? A) Sound production. B) Temperature Control. C) Filtration. D) Respiration. Show Answer Correct Answer: C) Filtration. 24. How many parts does the Circulatory System has? A) 10. B) 1. C) 2. D) 8. Show Answer Correct Answer: C) 2. 25. White blood cells are crucial to A) A strong immune system. B) Clotting. C) Carrying CO2. D) Carrying O2. Show Answer Correct Answer: A) A strong immune system. 26. The part that makes up most of our blood vessels A) Veins. B) Arteries. C) Circulatory system. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 27. Which circulation loop is between the heart and the lung? A) Coronary circulation. B) Systemic circulation. C) Artery circulation. D) Pulmonary circulation. Show Answer Correct Answer: D) Pulmonary circulation. 28. State True of False:capillaries have muscles. A) False. B) True. Show Answer Correct Answer: A) False. 29. What does our blood consist of? A) Blood, hemoglobin, white blood cells, red blood cells. B) Blood fluid, hemoglobin, platelets. C) Blood fluid, white blood cells, black blood cells, platelets. D) Blood fluid, red blood cells, white blood cells, platelets. Show Answer Correct Answer: D) Blood fluid, red blood cells, white blood cells, platelets. 30. Why does oxygenated blood go to the body cells? A) To collect oxygen. B) To deliver oxygen. C) To deliver carbon dioxide. D) None of above. Show Answer Correct Answer: B) To deliver oxygen. 31. Which ions must be present for thromboplastin to work? A) He wanted+. B) H+. C) Cl-. D) Na+. Show Answer Correct Answer: A) He wanted+. 32. The part of the blood that carries nutients. A) White blood cells. B) Plasma. C) Red blood cells. D) Platelets. Show Answer Correct Answer: B) Plasma. 33. What chamber of the heart collects blood from your body? A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: A) Right atrium. 34. What is the component of blood used in clotting for wounds? A) Red Blood Cells. B) Platelets. C) Plasma. D) White Blood Cells. Show Answer Correct Answer: B) Platelets. 35. What symptom would indicate an underlying coronary artery condition? A) CVA. B) TIA. C) Pulmonary edema. D) Angina pectoris. Show Answer Correct Answer: D) Angina pectoris. 36. ..... is a specialist in the treatment and disorders of blood. A) Nurse. B) Cardiologist. C) Hematologist. D) Pediatrician. Show Answer Correct Answer: C) Hematologist. 37. Which heart chamber has the thickest walls? A) Left atrium. B) Right ventricle. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 38. Which of the following is NOT a role of the circulatory system? A) Produce red blood cells. B) Transport oxygen. C) Transport nutrients. D) Eliminate waste. Show Answer Correct Answer: A) Produce red blood cells. 39. Which of the blood cells are the largest in size? A) Plasma. B) White blood cells. C) Platelets. D) Red blood cells. Show Answer Correct Answer: B) White blood cells. 40. Bob stood in line for an hour, fainting. Doctors determined that his symptoms occurred because blood flow back to the heart was less than normal. What is the cause of this phenomenon? A) The valves within the veins that keep blood flowing in one direction don't work. B) The smooth muscles in the veins do not contract. C) The heart's left ventricle doesn't work. D) The skeletal muscles surrounding the veins do not compress the blood vessels. Show Answer Correct Answer: D) The skeletal muscles surrounding the veins do not compress the blood vessels. 41. What types of blood can a person with AB-RECEIVE? A) All types. B) AB-, A-, B-, O-. C) AB-and AB+. D) AB+, A+, B+, O+. Show Answer Correct Answer: B) AB-, A-, B-, O-. 42. Digestion starts when you place the food in your mouth and start chewing. Once the food is chewed into a paste and you swallow it, What organ does the food travel down first? A) Esophagus. B) Trachea. C) Lungs. D) Spinal cord elongated. Show Answer Correct Answer: A) Esophagus. 43. Which is NOT one of the 3 main types of vessels in the circulatory system? A) Arteries. B) Tendons. C) Veins. D) Capillaries. Show Answer Correct Answer: B) Tendons. 44. Lymph nodes..... A) Prevent the lymph from flowing backwards. B) Destroy microorganism. C) Carry oxygenated lymph. D) None of above. Show Answer Correct Answer: B) Destroy microorganism. 45. Which disease of the circulatory system is the blockage of blood flow? (Hint:Scientific name of a heart attack.) A) Prolapsed Valve. B) Myocardial Infarction. C) Arrhythmia. D) High Blood Pressure. E) Atherosclerosis. Show Answer Correct Answer: B) Myocardial Infarction. 46. Name the organ of muscular system A) Ligaments. B) Muscles. C) Tendons. D) Brain. Show Answer Correct Answer: B) Muscles. 47. Play an important role in preventing blood loss A) Plasma proteins. B) Thrombocyte (platelets). C) Plasma proteins. D) Plasma. E) Water. Show Answer Correct Answer: B) Thrombocyte (platelets). 48. Oygenated blood enters the heart through which vessels A) Superior and Inferior Vena Cava. B) Pulmonary Artery. C) Pulmonary Veins. D) Tricuspid Valve. Show Answer Correct Answer: C) Pulmonary Veins. 49. What is the chemical marker on red blood cells that determines blood type? A) White Blood Cells. B) Plasma. C) Antigen. D) Antibody. Show Answer Correct Answer: C) Antigen. 50. True of False. In a frog heart, there is mixing of oxygen-containing and oxygen-lacking blood A) False. B) True. Show Answer Correct Answer: B) True. 51. Nodus Auricularis A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). Show Answer Correct Answer: D) Cardiac nerves (3). 52. Bile chemically digests: A) Vitamins. B) Proteins. C) Carbohydrates. D) Lipids (fats). Show Answer Correct Answer: D) Lipids (fats). 53. The circulatory system transports ..... and removes ..... to and from the cells of the body. A) Waste/Nutrients. B) Nutrients/ Waste. C) Blood/Oxygen. D) Plasma/ White Blood Cells. Show Answer Correct Answer: B) Nutrients/ Waste. 54. True or False:Our heart beats faster after exercise. A) False. B) True. Show Answer Correct Answer: B) True. 55. Blood is taken to the lungs by the ..... A) Aorta. B) Vena cava. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: C) Pulmonary artery. 56. To pump blood to the whole body is the function of ..... A) The right ventricle. B) The left ventricle. C) The right atrium. D) The left atrium. Show Answer Correct Answer: B) The left ventricle. 57. Capillary walls are only one layer of cells thick. Passage of oxygen into and out of the capillaries is controlled most by which process? A) Breakdown of materials. B) Storage of materials. C) Collection of waste material. D) Diffusion of materials. Show Answer Correct Answer: D) Diffusion of materials. 58. There are special ..... inside the heart that prevent a backwards flow. A) Valves. B) Atria. C) Ventricles. D) None of above. Show Answer Correct Answer: A) Valves. 59. The principal vein in the leg and the longest in the body A) Great Saphenous. B) Pulmonary vein. C) Superior vena cava. D) None of above. Show Answer Correct Answer: A) Great Saphenous. 60. What is the function of the upper chambers of the heart? A) Fighting infection. B) Transporting oxygen. C) Clotting blood. D) Receiving blood. Show Answer Correct Answer: D) Receiving blood. ← 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