This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 103 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 103 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The thicker the waxy cuticle on the surface of a leaf, ..... A) The faster the rate of transpiration. B) The slower the rate of transpiration. Show Answer Correct Answer: B) The slower the rate of transpiration. 2. Veins are blood vessels containing blood going to the heart A) False. B) True. Show Answer Correct Answer: B) True. 3. Proteins are made up of: A) Carbohydrates. B) Amino acids. C) Fatty acids. D) Sugars. Show Answer Correct Answer: B) Amino acids. 4. A hollow muscular organ about the size of our fist. A) Heart. B) Platelets. C) Blood. D) Capillaries. Show Answer Correct Answer: A) Heart. 5. Small tubes that help get blood to all cells in the body A) Heart. B) Blood. C) Pump. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 6. The beating sound your heart makes comes from A) Valve closing. B) Ears tricking you. C) The heart skipping beats. D) Blood going to wrong direction. Show Answer Correct Answer: A) Valve closing. 7. Which of these is the correct name for red blood cells? A) Erythrocytes. B) Leucocytes. C) Thrombocytes. D) Osteocytes. Show Answer Correct Answer: A) Erythrocytes. 8. Happens when blood vessels are blocked and cannot take blood to the heart A) Heart attack. B) Arteriosclerosis. C) Strokes. D) Caring for your circulation system. Show Answer Correct Answer: A) Heart attack. 9. Blood flow in the small blood circulation through..... A) Heart-whole body-lungs-heart. B) Heart-aorta-lungs-heart. C) Heart-aorta-whole body-heart. D) Heart-pulmonary artery-lungs-pulmonary vein-heart. Show Answer Correct Answer: D) Heart-pulmonary artery-lungs-pulmonary vein-heart. 10. What do we call the wall that separates the heart? A) Atrium. B) Ventricle. C) Septum. D) None of above. Show Answer Correct Answer: C) Septum. 11. Your blood being pumped through arteries is an example of which type of muscle movement? A) Involuntary. B) Smooth. C) Voluntary. D) Skeletal. Show Answer Correct Answer: A) Involuntary. 12. Leukaemia occurs when WHITE BLOOD cells multiply abnormally. A) True. B) False. Show Answer Correct Answer: A) True. 13. Which of the following is a universal acceptor? A) A. B) B. C) O. D) AB. Show Answer Correct Answer: D) AB. 14. What keeps blood flowing in the right direction? A) Chambers. B) Veins. C) Atria. D) Valves. Show Answer Correct Answer: D) Valves. 15. What does the Larynx hold? A) The larynx is part of the plant cells. B) The larynx holds the vocal chords. C) The larynx is part of animal tissues. D) The larynx holds the whole sub system. Show Answer Correct Answer: B) The larynx holds the vocal chords. 16. What role does your brain play in the circulation of blood throughout the body? A) It signals the lungs to enrich your blood with oxygen. B) It signals the heart to beat. C) It signals arteries & veins to open & close. D) It tells the body where blood is needed the most. Show Answer Correct Answer: B) It signals the heart to beat. 17. What is the average heartbeat of a human? A) 60-80 times per minute. B) 20-40 times per minute. C) 80-100 times per minute. D) 40-60 times per minute. Show Answer Correct Answer: C) 80-100 times per minute. 18. System that is made up of the organs in the body that help us to breathe in and out, so oxygen can be pumped through the body and carbon dioxide can be removed from the bloodstream A) Respiratory System. B) Circulatory System. Show Answer Correct Answer: A) Respiratory System. 19. An ..... is a tube that carries blood AWAY from the heart to all the other parts of the body. A) Heart. B) Pump. C) Artery. D) None of above. Show Answer Correct Answer: C) Artery. 20. In anemia blood doesn't have sufficient amount of A) Cholesterol. B) RBC. C) Carbohydrate. D) Protein. Show Answer Correct Answer: B) RBC. 21. Which is a waste product? A) Carbon dioxide. B) Oxygen. Show Answer Correct Answer: A) Carbon dioxide. 22. You must have felt a throbbing sensation in some body parts. What is it? A) Heartbeat. B) Pulse. Show Answer Correct Answer: B) Pulse. 23. Rhesus which has agglutinogens, but does not have Rh negative antibodies is called..... A) Rhesus negative. B) Rhesus positive. Show Answer Correct Answer: B) Rhesus positive. 24. The heart's main pumping chambers that squeezes hard during each heartbeat is the A) Ventricles. B) Lower lobes. C) Atria. D) Upper chambers. Show Answer Correct Answer: A) Ventricles. 25. Name the artery that leaves the heart to take blood to the lungs. A) Pulmonary artery. B) Pulmonary vein. C) Pulmonary capillary. D) Renal artery. Show Answer Correct Answer: A) Pulmonary artery. 26. The following statements about the functions of circulatory system are correct, except ..... A) Carries digested food, water and oxygen in blood to all parts of our body. B) Carries waste materials away from all parts of our body. C) Removes air from our body. D) None of above. Show Answer Correct Answer: C) Removes air from our body. 27. Veins are thinner and less muscular than arteries. A) False. B) True. Show Answer Correct Answer: B) True. 28. Proteins that protect you when an unwanted substance enters your body A) Cardiac Muscle Tissue. B) Antibodies. C) Glucose. D) Heart Disease. Show Answer Correct Answer: B) Antibodies. 29. The circulatory system organ ..... to help this system do its job/function A) .do the same job on the different teams. B) Do different jobs on different teams. C) Do the same job on the same team. D) Do different jobs on the same team. Show Answer Correct Answer: D) Do different jobs on the same team. 30. Blood goes to the lungs to get rid of this A) Oxygen. B) Carbon dioxide. Show Answer Correct Answer: B) Carbon dioxide. 31. It is composed of plasma, red and white blood cells. It transports gases like oxygen and carbon dioxide, nutrients like sugar throughout the body. A) Blood vessels. B) Heart. C) Blood. D) Lungs. Show Answer Correct Answer: C) Blood. 32. What is the range of our Resting Heart Rate? A) 200-220. B) 0-100. C) 60-100. D) 130-170. Show Answer Correct Answer: C) 60-100. 33. Which of the following is NOT an average human heart size? A) 8 ounces. B) 10 ounces. C) 4 ounces. D) 12 ounces. Show Answer Correct Answer: C) 4 ounces. 34. The FREQUENCY of heart contractions is ..... A) Respiratory rate. B) Voluntary muscle contraction. C) Blood pressure. D) Heart rate. Show Answer Correct Answer: D) Heart rate. 35. Where pressure is the highest A) Veins closest to the heart. B) Arteries closest to the heart. C) Venules. D) Capillaries. Show Answer Correct Answer: B) Arteries closest to the heart. 36. How parts are arranged or combined is their A) Function. B) Structure. C) Arteries. D) Veins. Show Answer Correct Answer: B) Structure. 37. The letter F refer to Face in FAST acronym? A) True. B) False. Show Answer Correct Answer: A) True. 38. Carries water and minerals from roots to other parts of the plant A) Guard cell. B) Xylem. C) Phloem. D) Stoma. Show Answer Correct Answer: B) Xylem. 39. The inner most layer of the heart A) Left ventricle. B) Pericardium. C) Myocardium. D) Endocardium. Show Answer Correct Answer: D) Endocardium. 40. What component of blood is involved in fighting infection? A) Plasma. B) Platelet. C) White blood cell. D) Red blood cell. Show Answer Correct Answer: C) White blood cell. 41. What are the things you can do to keep your circulatory system healthy? A) 1. Eat only solid foods 2. Only sit around 3. Eat fast foods (KFC, McDonald's, Burger King, etc.). B) 1. Eat pure junk food 2. Do not exercise. C) Avoid overeating sugar 2. Avoid eating junk food 3. Put a pillow under your feet when you sleep to improve blood circulation. D) None of above. Show Answer Correct Answer: C) Avoid overeating sugar 2. Avoid eating junk food 3. Put a pillow under your feet when you sleep to improve blood circulation. 42. What are the small air sacs in the lungs where many capillaries exchange carbon dioxide for oxygen taken into the body. A) Nasal Cavity. B) Bronchi. C) Alveoli. D) Bronchiole. Show Answer Correct Answer: C) Alveoli. 43. Flaplike structures are located between the atria and ventricles and in places where large vessels are attached to the heart. A) Valves. B) Ventricle. C) Atrium. D) None of above. Show Answer Correct Answer: A) Valves. 44. Which type of blood cell picks up oxygen and carbon dioxide? A) Red blood cells. B) White blood cells. Show Answer Correct Answer: A) Red blood cells. 45. Which of the following organisms has the largest total surface area to volume ratio? Which of the following organisms has the largest ratio of total surface area per volume? A) RatTikus. B) CockroachLipas. C) ElephantGajah. D) Amoeba sp.Amoeba sp. Show Answer Correct Answer: D) Amoeba sp.Amoeba sp. 46. The circulatory system carries around A) Oxygen, and carries away carbon dioxide. B) Only oxygen. C) Oxygen, nutrients and water and carrying away carbon dioxide. D) Carbon dioxide and carries away oxygen. Show Answer Correct Answer: C) Oxygen, nutrients and water and carrying away carbon dioxide. 47. Oxygenated blood enters the heart here. A) Right ventricle. B) Right atrium. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: C) Left atrium. 48. These vessels carry blood to each lung from the right ventricle. A) Superior vena cava. B) Aorta. C) Pulmonary arteries. D) Pulmonary veins. Show Answer Correct Answer: C) Pulmonary arteries. 49. The life span of a platelet is ..... days A) 1 to 7. B) 4 to 10. C) 12 to 15. D) 5 to 9. Show Answer Correct Answer: D) 5 to 9. 50. We breathe out ..... when we exhale. A) Oxygen. B) Carbon monoxide. C) Carbon dioxide. D) Helium. Show Answer Correct Answer: C) Carbon dioxide. 51. Which system is responsible for carrying oxygen to the body's muscles? A) Outgrowths. B) Circulatory. C) Muscular. D) Respiratory. Show Answer Correct Answer: B) Circulatory. 52. The oxygen-rich blood supply to the lungs is provided by the ..... A) Coronary artery. B) Pulmonary artery. C) Vena cava. D) Aorta. Show Answer Correct Answer: B) Pulmonary artery. 53. The sound of the heart beating is actually the A) Valves closing. B) Veins closing. C) Muscle contraction. D) Blood moving. Show Answer Correct Answer: A) Valves closing. 54. These carry oxygenated blood from the heart to the rest of the body. A) Veins. B) Arteries. C) Lungs. D) None of above. Show Answer Correct Answer: B) Arteries. 55. The main function of respiratory system is A) To provide oxygen and remove carbon dioxide from our body. B) To provide carbon dioxide and remove oxygen from our body. C) To bring oxygen to every part of our body. D) To bring carbon dioxide to every part of our body. Show Answer Correct Answer: A) To provide oxygen and remove carbon dioxide from our body. 56. All of the below are factors that increase or decrease the blood pressure except for: A) Medication. B) Toothache. C) Exercise. D) Heart disease. Show Answer Correct Answer: B) Toothache. 57. Universal blood donors have type ..... blood. A) A. B) B. C) AB. D) O. Show Answer Correct Answer: D) O. 58. Pulmonary artery:from A) Lungs. B) Aorta. C) Heart muscle cells. D) Heart. Show Answer Correct Answer: D) Heart. 59. The ventricles receive blood from the atrium and are the two lower chambers of the heart A) False. B) True. Show Answer Correct Answer: B) True. 60. Why is atherosclerosis especially serious when it develops in the coronary arteries? A) It can make red blood cells die. B) It can limit the functioning of white blood cells. C) It can lead to a heart attack. D) It can then go on the affect the aorta. Show Answer Correct Answer: C) It can lead to a heart attack. ← 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