This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 19 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the Circulatory System also known as? A) Blood system. B) Central system. C) Vein system. D) Cardiovascular system. Show Answer Correct Answer: D) Cardiovascular system. 2. One of the two tubes that connect the lungs with the trachea A) Larynx. B) Diaphragm. C) Trachea. D) Bronchus. Show Answer Correct Answer: D) Bronchus. 3. Which is true of osmosis? A) Can change the size of a cell. B) Only occurs in circulatory cells. C) Is it the diffusion of food coloring within a beaker of water. D) Is the diffusion of oxygen into a cell. Show Answer Correct Answer: A) Can change the size of a cell. 4. Which of the following is NOT a sense? A) Touch. B) Nose. C) Smell. D) Hearing. Show Answer Correct Answer: B) Nose. 5. What are the functions of valves in the circulatory system? A) Prevent the backward flow of blood. B) Accelerated blood flow. C) Serve as a cushion for friction. D) Stimulate the heartbeat. Show Answer Correct Answer: A) Prevent the backward flow of blood. 6. The circulatory system is responsible for transport of ....., ....., and ..... A) Blood, Veins, Arteries. B) Nutrients, Blood vessels. C) Oxygen, Nutrients and water. D) Temperature, Blood, Oxygen. Show Answer Correct Answer: C) Oxygen, Nutrients and water. 7. If a sample of blood is deoxygenated, where is it likely to be found in the circulatory system of the human body? A) At the end of the pulmonary circuit. B) In the left atrium of the heart. C) At the beginning of the systemic circuit. D) At the beginning of the pulmonary circuit. Show Answer Correct Answer: D) At the beginning of the pulmonary circuit. 8. Which of the following is not a component of the blood A) Red blood cells. B) Platelets. C) Iron. D) Plasma. Show Answer Correct Answer: C) Iron. 9. Where does the carbon dioxide in the blood go? A) To the kidneys where it is filtered out as waste. B) To the lungs where it is removed during exhalation. C) To the stomach where it is digested. D) To the liver where it is converted into bile. Show Answer Correct Answer: B) To the lungs where it is removed during exhalation. 10. A vein carries blood ..... the heart. A) Away from. B) To. Show Answer Correct Answer: B) To. 11. Solid waste is dropped off at the kidneys. A) False. B) True. Show Answer Correct Answer: B) True. 12. ..... helps fight infection. A) Red blood cells. B) Plasma. C) White blood cells. D) None of above. Show Answer Correct Answer: C) White blood cells. 13. They have a short life. They live for about 120 days. They are destroyed mostly in the spleen in the liver A) Red blood cells. B) White blood cells. C) Plasma. D) Bone marrow. Show Answer Correct Answer: A) Red blood cells. 14. Pale yellow fluid portion of whole blood that consists of water & its dissolved constituents A) Erythropoietin. B) Anemia. C) Plasma. D) Leukocytes. Show Answer Correct Answer: C) Plasma. 15. How many chambers does the heart consist of? A) 4. B) 3. C) 2. D) 6. Show Answer Correct Answer: A) 4. 16. The large vein that returns blood from the lower body to the heart is called A) Inferior vena cava. B) Superior vena cava. C) Coronary arteries. D) Aorta. Show Answer Correct Answer: A) Inferior vena cava. 17. Blood vessels which are located within the tissues and around the cells are ..... A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: C) Blood capillaries. 18. ..... function in the life-saving process of clotting blood. A) Leucocytes. B) Phagocytes. C) Erythrocytes. D) Platelets. Show Answer Correct Answer: D) Platelets. 19. Transpiration is the loss of water through leaves by evaporation A) True. B) False. Show Answer Correct Answer: A) True. 20. Pulmonary means ..... A) Pertaining to the lungs. B) Pertaining to pulse. C) Pertaining to the heart. D) Pertaining to the blood pressure. Show Answer Correct Answer: A) Pertaining to the lungs. 21. What are the two main parts of the circulatory system? A) Heart and veins. B) Blood vessels and veins. C) Heart and blood vessels. D) Lungs and heart. Show Answer Correct Answer: C) Heart and blood vessels. 22. What gas is delivered by blood to your lungs for exhalation? A) Carbon dioxide. B) Nitrogen. C) Oxygen. D) Carbon monoxide. Show Answer Correct Answer: A) Carbon dioxide. 23. Take blood from the heart to cells in your muscles, bones, and organs. A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 24. The heart is made up of cardiac muscle tissue, which is "involuntary muscle." A) True. B) False. Show Answer Correct Answer: A) True. 25. Which acid is required for the development of mature erythrocytes? A) Hydrochloric acid. B) Muriatic acid. C) Folic acid. D) Sulfuric acid. Show Answer Correct Answer: C) Folic acid. 26. Heart contracts approximately A) 60-80 times/ 30 seconds. B) 60-80 times/minute. Show Answer Correct Answer: B) 60-80 times/minute. 27. What does the circulatory system do? A) Breaks down our food. B) Decide our traits. C) Transports blood throughout our body. D) None of above. Show Answer Correct Answer: C) Transports blood throughout our body. 28. Arteries carry blood containing oxygen from the heart to the body. A) False. B) True. Show Answer Correct Answer: B) True. 29. Which is the vessel that carries oxygenated blood from the lungs back to the heart? A) Pulmonary Capillary. B) Pulmonary Aorta. C) Pulmonary Artery. D) Pulmonary Vein. Show Answer Correct Answer: D) Pulmonary Vein. 30. The circulation where the flow of blood goes to the tissues of the heart is the ..... A) Capillaries. B) Pulmonary circulation. C) Systemic circulation. D) Coronary circulation. Show Answer Correct Answer: B) Pulmonary circulation. 31. Heart is divided down in the middle in ..... halves. A) 4. B) 2. C) 3. D) 0. Show Answer Correct Answer: B) 2. 32. Blood flows from the right ventricle to the lungs through the pulmonary artery..... A) Small blood circulation. B) Large blood circulation. Show Answer Correct Answer: A) Small blood circulation. 33. The name of the process when the outside air moves into the lungs A) Aspiration. B) Respiration. C) Inspiration. D) Expiration. Show Answer Correct Answer: C) Inspiration. 34. Lymph contains a special type of white blood cells called A) Lymphocytes. B) Lymphocytes. C) Leucocytes. D) Lymph nodes. Show Answer Correct Answer: A) Lymphocytes. 35. Why is exercise important for cardiovascular health? A) It strengthens the heart. B) It helps loosen up the heart. C) It makes more proteins for the heart. D) It makes fat cells thinner. Show Answer Correct Answer: A) It strengthens the heart. 36. The human heart has ..... chambers. A) 8. B) 1. C) 4. D) 2. Show Answer Correct Answer: C) 4. 37. Heart attack and cardiac arrest are not different A) True. B) False. Show Answer Correct Answer: A) True. 38. What is the organs that pumps blood throughout the body? A) Lymph node. B) Heart. C) Arteries. D) Pulmonary. Show Answer Correct Answer: B) Heart. 39. What carries blood from the body cells back to the heart A) Arteries. B) Veins. C) Capillaries. D) Heart. Show Answer Correct Answer: B) Veins. 40. Measures body and brain activity during sleep. A) Sleep apnea. B) The polysomnogram. Show Answer Correct Answer: B) The polysomnogram. 41. These cells look like a flattened donut A) Red blood cells. B) White blood cells. Show Answer Correct Answer: A) Red blood cells. 42. The heart contracts, blood is pumped out of the heart (heart contracts) A) Diastole. B) Systole. Show Answer Correct Answer: B) Systole. 43. What is the purpose of White Blood Cells A) Fights Infections. B) Carry oxygen. C) Carries Waste. D) To carry nutrients. Show Answer Correct Answer: A) Fights Infections. 44. The ..... is a hollow, muscular pump that propels blood through the circulatory system A) Spleen. B) Heart. C) Brain. D) Kidney. Show Answer Correct Answer: B) Heart. 45. Which component of blood transports various essential substances like glucose, proteins, and hormones? A) Plasma. B) Platelets. C) Red Blood Cells. D) White Blood Cells. Show Answer Correct Answer: A) Plasma. 46. What prevents food from entering the lungs? A) The pharynx. B) A flap of tissues called the epiglottis. C) Cilia. D) The alveoli. Show Answer Correct Answer: B) A flap of tissues called the epiglottis. 47. Which blood vessel takes deoxygenated blood from the heart to the lungs? A) Pulmonary artery. B) Aorta. C) Vena cava. D) Pulmonary vein. Show Answer Correct Answer: A) Pulmonary artery. 48. The scientific name of a red blood cell A) Plasmocyte. B) Thrombocyte. C) Erythrocyte. D) Leukocyte. Show Answer Correct Answer: C) Erythrocyte. 49. Which type of white blood cell produces antibodies in response to antigens? A) Platelets. B) Eosinophils. C) Lymphocytes. D) Phagocytes. Show Answer Correct Answer: C) Lymphocytes. 50. Which of the following is the scientific name for red blood cells? A) Osteocytes. B) Leukocytes. C) Erythrocytes. D) Thrombocytes. Show Answer Correct Answer: C) Erythrocytes. 51. What is tissue fluid? What is tissue fluid? A) Fluid scattered among tissues. B) Nutrient rich plasma of blood. C) Fluid that came out of blood capillaries. D) All the above. Show Answer Correct Answer: D) All the above. 52. At what stage does Potassium end outside the neuron, and Sodium ends inside the neuron? A) Repolarization. B) Hyperpolarization. C) Depolarization. D) Resting Potential. Show Answer Correct Answer: A) Repolarization. 53. What keeps blood from flowing backwards? A) Fat. B) Veins. C) Valves. D) Arteries. Show Answer Correct Answer: C) Valves. 54. The cardiovascular system is composed of the heart, blood, and A) Blood vessels. B) Brain. C) Kidneys. D) Lungs. Show Answer Correct Answer: A) Blood vessels. 55. What is the liquid part of blood that carries nutrients and waste products? A) Platelets. B) Haemoglobin. C) Antibodies. D) Plasma. Show Answer Correct Answer: D) Plasma. 56. Name the artery between stomach/intestine and liver? A) Hepatic Vein. B) Renal Vein. C) Hepatic Artery. D) Hepatic Portal Vein. Show Answer Correct Answer: D) Hepatic Portal Vein. 57. Assist with criminal investigations A) Blood Grouping Components. B) Function of Blood Grouping (2). Show Answer Correct Answer: B) Function of Blood Grouping (2). 58. Abnormalities characterized by blood that is difficult to clot are..... A) Hemofilia. B) Hypertension. C) Leukemia. D) Anemia. Show Answer Correct Answer: A) Hemofilia. 59. What is the average heart rate of an adult? A) 100 beats per minute. B) 72 beats per minute. C) 15 beats per minute. D) 200 beats per minute. Show Answer Correct Answer: B) 72 beats per minute. 60. The Heart Has 6 Chambers. A) Correct. B) Salah. Show Answer Correct Answer: B) Salah. ← 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