This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 141 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 141 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Germ fighters are carried by the ..... A) Oxygen. B) Blood. C) Cell. D) Heart. Show Answer Correct Answer: B) Blood. 2. When your rib muscles and diaphragm contract or relax to allow air in or out A) Cartilage. B) Homeostasis. C) Alveoli. D) Breathing. E) Cell. Show Answer Correct Answer: D) Breathing. 3. What is the name of the blood vessel that supplies the heart with oxygen? A) Coronary artery. B) Aorta. C) Pulmonary artery. D) Pulmonary veins. Show Answer Correct Answer: A) Coronary artery. 4. The pumping of oxygen-rich blood through the rest of the body A) Coronary circulation. B) Systemic circulation. C) Blood pressure. D) Pulmonary circulation. Show Answer Correct Answer: B) Systemic circulation. 5. ) Pulmonary Artery carries deoxygenated blood from heart to lungs2.) Pulmonary Vein carries oxygenated blood from lungs to heart A) Both statements are True. B) Both statements are False. C) 1st statement is True, 2nd statement is False. D) 1st statement is False, 2nd statement is True. Show Answer Correct Answer: A) Both statements are True. 6. The Vein that carries oxygenated blood? A) Capillaries. B) Pulmonary Vein. C) Vein. D) Portal Vein. Show Answer Correct Answer: B) Pulmonary Vein. 7. Blood leaves the heart for the body through the ..... A) Aorta. B) Veins. C) Pulmonary Artery. D) Capillaries. Show Answer Correct Answer: A) Aorta. 8. Which is the correct air passage in the breathing mechanism? A) Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus. B) Nostril, nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus. C) Nostril, nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus. D) Nostril, nasal cavity, trachea, larynx, pharynx, bronchus, bronchiole, alveolus. Show Answer Correct Answer: A) Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus. 9. These kind of blood vessels take blood away from the heart. A) Muscles. B) Heart. C) Arteries. D) Blood vessels. Show Answer Correct Answer: C) Arteries. 10. Auricles are also called- A) Thrombocytes. B) Septum. C) Atria. D) Pericardium. Show Answer Correct Answer: C) Atria. 11. Where does blood enter the heart? A) Pulmonary Vein. B) Right Atrium. C) Superior Vena Cava. D) Aorta. Show Answer Correct Answer: C) Superior Vena Cava. 12. PAST CONTINUOUS TENSE8. The phone rang while I ..... dinner. A) Am having. B) Was having. C) Will have. D) Had. Show Answer Correct Answer: B) Was having. 13. Blood travels through these at low pressure: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 14. Saliva contains..... A) Lipase. B) Amylase. C) Glucose. D) Carbohydrate. Show Answer Correct Answer: B) Amylase. 15. The left side of the heart contains ..... A) Oxygenated Blood. B) De-oxygenated Blood. C) Both Oxygenated and De-oxygenated Blood. D) Water. Show Answer Correct Answer: A) Oxygenated Blood. 16. Which of the following does the circulatory not consist of? A) Heart. B) Lungs. C) Blood. D) Blood vessels. Show Answer Correct Answer: B) Lungs. 17. 🔍 Detective Time! Which blood squad member is the superhero fighting off invaders for our immunity? A) Plasma. B) White blood cells. C) Platelets. D) Red blood cells. Show Answer Correct Answer: B) White blood cells. 18. What is transported in the blood cells and plasma? A) Nutrients. B) Oxygen. C) Carbon Dioxide. D) All of the above. Show Answer Correct Answer: D) All of the above. 19. Systolic pressure A) 80mmHg. B) 90mmHg. C) 120mmHg. D) 70mmHg. Show Answer Correct Answer: C) 120mmHg. 20. The main function of the The hollow muscle whose main function is to pump blood A) Arteries. B) Bicep. C) Tricep. D) Heart. Show Answer Correct Answer: D) Heart. 21. In order to exhale the intercostal musles need to: A) Relax. B) Contract. Show Answer Correct Answer: A) Relax. 22. What are the alveoli? A) The first portion of your respiratory system where oxygen is brought in. B) The last portion of your respiratory system where gases released. C) The first portion of your respiratory system where carbon dioxide is brought in. D) The last portion of your respiratory system where gases are exchanged. Show Answer Correct Answer: D) The last portion of your respiratory system where gases are exchanged. 23. What happens to the amount of Carbon dioxide and Oxygen in the blood as it passes through the systemic circuit? A) Oxygen increases, Carbon dioxide decreases. B) Oxygen decreases, carbon dioxide increases. C) Both oxygen and carbon dioxide increase. D) Both carbon dioxide and oxygen decrease. Show Answer Correct Answer: B) Oxygen decreases, carbon dioxide increases. 24. Which one of the following is NOT part of the circulatory system? A) Arteries. B) Capillaries. C) Stomach. D) Heart. Show Answer Correct Answer: C) Stomach. 25. Which of the following is not part of the valves in heart A) Pulmonary valves. B) Mitral valves. C) Vein valves. D) Tricuspid valves. Show Answer Correct Answer: C) Vein valves. 26. A type of blood vessel that carries oxygen-poor blood from the body TOWARD the heart. A) Heart. B) Vein. C) Artery. D) Capillary. Show Answer Correct Answer: B) Vein. 27. The blood comes out from the ..... to the rest of the body. A) Veins. B) Legs. C) Neck. D) Aorta. Show Answer Correct Answer: D) Aorta. 28. Reread Page 16 of the text, titled "The Arching Aorta." According to the text, the largest artery that blood travels through from the left ventricle of the heart to the rest of your body is called the: A) Vein. B) Artery. C) Capillary. D) Aorta. Show Answer Correct Answer: D) Aorta. 29. The heart is divided into two sides (the left and right) and then its divided into ..... chambers A) 2. B) 4. C) 6. D) None of above. Show Answer Correct Answer: B) 4. 30. What gives blood its characteristic red color? A) Hemoglobin. B) Melanin. C) Carotene. D) Chlorophyll. Show Answer Correct Answer: A) Hemoglobin. 31. What is the Cirulatory System A) It works to excrete waste products. B) Transports oxygen and nutrients. It also works to remove carbon dioxide and other waste products. C) The network of organs and tissues that help you breathe. D) Breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair. Show Answer Correct Answer: B) Transports oxygen and nutrients. It also works to remove carbon dioxide and other waste products. 32. Which system has the primary function of fighting disease? A) Immune. B) Circulatory. C) Respiratory. D) Outgrowths. Show Answer Correct Answer: A) Immune. 33. What structure in the small intestine enables the ability to absorb large amounts of nutrients? A) Villi. B) Pancreas. C) Liver. D) Gallbladder. Show Answer Correct Answer: A) Villi. 34. Blood travelling from heart to lungs have ..... A) Less oxygen, more carbon dioxide. B) More oxygen, less carbon dioxide. Show Answer Correct Answer: A) Less oxygen, more carbon dioxide. 35. White blood cells are ..... compared to red blood cells A) More abundant. B) Less abundant. C) Equal abundance. D) Smaller. Show Answer Correct Answer: B) Less abundant. 36. A heart rate below 60 beats per minute (bpm) is called: A) Bradycardia. B) Fibrillation. C) Heart Murmer. D) Tachycardia. Show Answer Correct Answer: A) Bradycardia. 37. Heart Attack Warning Sign:Breaking out in a cold sweat. A) Men. B) Women. C) Both. D) None of above. Show Answer Correct Answer: A) Men. 38. Which muscle type is found in your stomach, bladder, and intestines? A) Smooth. B) Skeletal. C) Straight. D) Cardiac. Show Answer Correct Answer: A) Smooth. 39. True Or False:Blood That Has Carbon Dioxide Goes Back To The Heart And Then To The Lungs A) False. B) True. Show Answer Correct Answer: B) True. 40. True or False:Veins carry oxygen poor blood back to the heart. A) True. B) False. Show Answer Correct Answer: A) True. 41. The term that means heart contraction is ..... A) Diastole. B) Tachycardia. C) Systole. D) Fibrillation. Show Answer Correct Answer: C) Systole. 42. What do you call the smallest blood vessels A) Capillaries. B) Arteries. C) Veins. D) Blood. Show Answer Correct Answer: A) Capillaries. 43. A boy is bitten by a venomous snake on his leg, poison will enter his heart via this vessel: A) Inferior vena cava. B) Aorta. C) Pulmonary artery. D) Superior vena cava. Show Answer Correct Answer: A) Inferior vena cava. 44. Haemoglobin is present in ..... A) Plasma. B) Red Blood Cells. C) Red heart. D) Platelets. Show Answer Correct Answer: B) Red Blood Cells. 45. Inflammation of fatty plaque A) Phlebitis. B) Atheritis. C) Atherosis. D) Angiosarcitis. Show Answer Correct Answer: B) Atheritis. 46. Maintaining the acid and base balance of tissues. This includes..... A) Blood components. B) Blood function (6). Show Answer Correct Answer: B) Blood function (6). 47. What kind of acid is inside our stomachs? A) Angelic acid. B) Hydrochloric acid. C) Temporal acid. D) Sulphuric acid. Show Answer Correct Answer: B) Hydrochloric acid. 48. A truly life threatening emergency would need A) CAD. B) CHF. C) BP. D) CPR. Show Answer Correct Answer: D) CPR. 49. These are located between the atrium and ventricle. It opens and closed to allow blood to flow in one direction. A) Valves. B) Atrium. C) Heart. D) Ventricle. Show Answer Correct Answer: A) Valves. 50. As blood passes through capillaries in your lungs it gains ..... and loses ..... A) Carbon dioxide / oxygen. B) Oxygen / carbon dioxide. Show Answer Correct Answer: B) Oxygen / carbon dioxide. 51. The double-layered membrane that covers the outside of the heart is the endocardium. A) False. B) True. Show Answer Correct Answer: A) False. 52. ..... does not have blood vessels A) Nail. B) Ear. C) Nose. D) Eyes. Show Answer Correct Answer: D) Eyes. 53. True or False:Babies' hearts beat faster than adults' hearts. A) True. B) False. Show Answer Correct Answer: A) True. 54. True or False:Human blood is blue. A) True. B) False. Show Answer Correct Answer: B) False. 55. How many blood vessels does our cornea have? A) 89. B) 20. C) 9. D) 0. E) 100, 000. Show Answer Correct Answer: D) 0. 56. Arteries get bigger and bigger the further they are from the heart. A) True. B) False. C) I absent from the class that day. D) None of above. Show Answer Correct Answer: B) False. 57. It is a phase of the cardiac cycle which occurs when the heart RELAXES after contraction. A) HYPERBOLE. B) SYSTOLE. C) ARTERIOLE. D) DIASTOLE. Show Answer Correct Answer: D) DIASTOLE. 58. No Gastro vascular cavity is present for circulation in ..... A) Hydra hydra. B) Jelly fish Jelly fish. C) Both. D) None are nothing. Show Answer Correct Answer: C) Both. 59. Which of the following blood vessels has the thickest, strongest, most elastic walls? A) Capillaries. B) Arteries. C) Veins. D) Venules. Show Answer Correct Answer: B) Arteries. 60. The type of cell that engages in Phagocytosis is a: A) Neuron. B) Red Blood Cell. C) Platelet. D) White Blood Cell. Show Answer Correct Answer: D) White Blood Cell. ← 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