This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 43 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Where does the process of digestion begin? A) Mouth. B) Esophagus. C) Stomach. D) Small intestine. Show Answer Correct Answer: A) Mouth. 2. Oxygenate blood with a high concentration of urea is carried by: A) Hepatic vein to the kidneys. B) Renal artery to the kidneys. C) Renal vein to the kidneys. D) Pulmonary artery to the lungs. E) Hepatic portal vein to the liver. Show Answer Correct Answer: B) Renal artery to the kidneys. 3. Where does the AORTA carry blood? A) To the body. B) To the lungs. C) To the heart. D) None of above. Show Answer Correct Answer: A) To the body. 4. ..... carry the blood back to the heart. This blood contains carbon dioxide. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 5. Study the diagram and identify one carnivore. A) Fox. B) Mouse. C) Grass. D) Rabbit. Show Answer Correct Answer: A) Fox. 6. Red blood cells role A) Clotting. B) Carrying O2. C) Thinning blood. D) Fighting off illness. Show Answer Correct Answer: B) Carrying O2. 7. Systolic and diastolic pressure are measured in units of A) Pounds per Meter. B) Newtons. C) MmHg. D) Pascal. Show Answer Correct Answer: C) MmHg. 8. Does heartburn have to do with the heart? A) Yes!. B) No!. Show Answer Correct Answer: B) No!. 9. What are the three types of blood vessels in the circulatory system? A) Aorta, pulmonary artery, vena cava. B) Left atrium, right ventricle, septum. C) Arteries, veins, and capillaries. D) Red blood cells, white blood cells, platelets. Show Answer Correct Answer: C) Arteries, veins, and capillaries. 10. What doe the arteries carry? A) Blood without carbon dioixde. B) Blood with carbon dioxide. C) Blood without oxygen. D) Blood with oxygen. Show Answer Correct Answer: D) Blood with oxygen. 11. Which of the following is the pair of spongy air filled organs which occupy a region in the chest? A) Lungs. B) Rib cage. C) Kidney. D) Heart. Show Answer Correct Answer: A) Lungs. 12. Where do arteries carry blood? A) Away from the heart to tissues. B) To the bones only. C) Arteries are not a type of blood vessel. D) From tissues to the heart. Show Answer Correct Answer: A) Away from the heart to tissues. 13. Which chambers of the heart are the thickest and strongest? A) Atria. B) Ventricles. C) Valves. D) None of above. Show Answer Correct Answer: B) Ventricles. 14. An ..... is also commonly known as a heart attack. A) CPR. B) CHD. C) ABG. D) MI. Show Answer Correct Answer: D) MI. 15. How does the skin help regulate temperature? A) By removing wastes from the body. B) By blocking information about the environment. C) By enabling excess heat to escape from the body. D) By allowing body temperature to change when the weatehr beoomes warmer or colder. Show Answer Correct Answer: C) By enabling excess heat to escape from the body. 16. A normal blood pressure is A) Less than 130/70. B) Less than 120/80. C) Less than 140/90. D) Less than 110/10. Show Answer Correct Answer: B) Less than 120/80. 17. What is the other term for Red Blood Cells? A) Leukocytes. B) Hypertension. C) Erythrocytes. D) Thrombocytes. Show Answer Correct Answer: C) Erythrocytes. 18. What transport systems does water use? A) Active trasport. B) Diffusion. C) Facilitated diffusion. D) Osmosis. Show Answer Correct Answer: D) Osmosis. 19. How does oxygen and other nutrients get to the cells of your body A) Absorbed through arteries. B) Move from the blood in capillaries through thin cell walls. C) Move from the blood in veins through thin cell walls. D) Move from the blood in the heart through thin cell walls. Show Answer Correct Answer: B) Move from the blood in capillaries through thin cell walls. 20. What blood type is the "universal recipient" meaning they can get blood from anyone? A) Type A. B) Type B. C) Type AB. D) Type O. Show Answer Correct Answer: C) Type AB. 21. These are vessels that are very small and collect blood from the capillaries. A) Venules. B) Arterioles. C) Veins. D) Arteries. Show Answer Correct Answer: A) Venules. 22. Which organism has open circulatory system? A) Insect. B) Reptiles. C) Amphibian. D) Human. Show Answer Correct Answer: A) Insect. 23. Muscular tissue layer of the heart A) Pericardium. B) Endocardium. C) Epicardium. D) Myocardium. Show Answer Correct Answer: D) Myocardium. 24. The fluid that circulate throughout the body. A) Plasma. B) Saliva. C) Water. D) Blood. Show Answer Correct Answer: D) Blood. 25. Which organ pumps blood around the body? A) Lungs. B) Heart. C) Pancreas. D) Liver. Show Answer Correct Answer: B) Heart. 26. The tiny white cords that anchor the flaps of the bicuspid and tricuspid valves to the walls of the ventricles. A) Tendon chords. B) Pulmonary flaps. C) Atrioventricular cords. D) Semilunar cords. Show Answer Correct Answer: A) Tendon chords. 27. Which of the following parts of the respiratory system contains the vocal cords? A) Larynx. B) Bronchi. C) Pharynx. D) Trachea. Show Answer Correct Answer: A) Larynx. 28. A general term that describes the force blood exerts against the walls of vessels is called ..... A) Atrioventricular pressure. B) Pulse pressure. C) Blood pressure. D) Ventricular pressure. Show Answer Correct Answer: C) Blood pressure. 29. What happens to the heart when you are exercising? A) The hurt pumps just enough oxygen to keep the body working. B) The heart pumps faster so that you get more oxygen. Show Answer Correct Answer: B) The heart pumps faster so that you get more oxygen. 30. Identify the chamber of the heart that receives blood from the lungs. * A) Right atrium. B) Left ventricle. C) Left atrium. D) Right ventricle. Show Answer Correct Answer: C) Left atrium. 31. A large dome-shaped muscle under the lungs is called the ..... A) Trachea. B) Diaphragm. C) Heart. D) Stomach. Show Answer Correct Answer: B) Diaphragm. 32. These structures allow the forward movement of blood, but doesn't allow it to move backwards. A) Aorta. B) Arteries. C) Veins. D) Valves. Show Answer Correct Answer: D) Valves. 33. The type of blood vessel that returns blood to the heart is a ..... A) Capillary. B) Vein. C) Artery. D) Valve. Show Answer Correct Answer: B) Vein. 34. Blood travels from the veins into the ..... A) Lungs. B) Heart. C) Organ tissues. D) Capillaries. Show Answer Correct Answer: B) Heart. 35. ..... gives a red colour to the blood A) Red colour. B) Chlorophyll. C) Haemoglobin. D) Pigment. Show Answer Correct Answer: C) Haemoglobin. 36. A ..... is a tube that allows blood to flow. A) Blood tube. B) Blood vessels. C) Organ. D) Oxygen. Show Answer Correct Answer: B) Blood vessels. 37. Which of the following is a yoga exercise good for the heart? A) Trikonasana. B) Dhanurasana. C) Tadasana. D) All of these. Show Answer Correct Answer: D) All of these. 38. An example of diffusion is A) CO2 and O2 exchange in the lungs. B) Glucose transport. C) Na+ / K+ Pumps. D) Exocytosis. Show Answer Correct Answer: A) CO2 and O2 exchange in the lungs. 39. Mrs. Moore made a circuit. It did not light up. Why? A) The switch is closed. B) The switch is open. Show Answer Correct Answer: B) The switch is open. 40. Tube-like passageway used by food, liquid, and air. It contains the epiglottis, a flap that folds down when you swallow to prevent food or water from entering the lungs A) Esophagus. B) Larynx. C) Pharynx. D) Trachea. Show Answer Correct Answer: C) Pharynx. 41. The circulatory system pumps blood from the heart to ..... in the lungs A) Oxygen. B) Air. C) Capillaries. D) Caterpillars. Show Answer Correct Answer: C) Capillaries. 42. The slowest moving blood is found in the A) Capillaries. B) Heart. C) Arteries. D) Veins. Show Answer Correct Answer: A) Capillaries. 43. What type of circulation moves blood to and from the heart (itself)? A) Pulmonary. B) Systemic. C) Coronary. D) None of above. Show Answer Correct Answer: C) Coronary. 44. When does your heart beat? A) Only when you are exercising. B) Only when you are sleeping. C) All the time. D) None of above. Show Answer Correct Answer: C) All the time. 45. Normally ..... have faster heart beat A) Adults. B) Old people. C) Children. D) None of above. Show Answer Correct Answer: C) Children. 46. The average heartbeat is about ..... times per minute A) 70. B) 100. C) 200. D) 50. Show Answer Correct Answer: A) 70. 47. The part of the blood that helps with clotting: A) White blood cells. B) Red blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: D) Platelets. 48. What will happen if the epiglottis does not close the entrance of airways? A) The larynx will be blocked with food particles. B) The pharynx will have difficulty in swallowing. C) The food particles will block the opening of the trachea and a person will have difficulty in breathing. D) The food particles will block the bronchioles thus making it difficult to breathe in and breathe out. Show Answer Correct Answer: D) The food particles will block the bronchioles thus making it difficult to breathe in and breathe out. 49. Another name for a platelet is: A) Erythrocyte. B) Thrombocyte. C) Leukocyte. D) Lymphoma. Show Answer Correct Answer: B) Thrombocyte. 50. These neurologists focus on the study of all those most common disorders in newborns and children. A) Movement Disorder Neurologists. B) Pediatric neurologists. C) Neuromuscular disorders neurologists. D) Cerebrovascular neurologists. Show Answer Correct Answer: B) Pediatric neurologists. 51. Capillary means in latin ..... లాటిన్ భాషలో capillary అనగా ..... A) Nail. B) Hair. C) Blood vessels. D) All the above పైవన్నీ. Show Answer Correct Answer: B) Hair. 52. Why does your heartbeat increase during exercise? A) To help you breathe. B) To stop you feeling tired. C) To get more oxygen to where it is needed. D) To give you energy. Show Answer Correct Answer: C) To get more oxygen to where it is needed. 53. Arteries are thinner than veins A) False. B) True. Show Answer Correct Answer: B) True. 54. Help fight infections from bacteria, viruses and other invading substances. These are bigger and fewer cells, but increase in number when you are sick. A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 55. High blood pressure A) Stroke. B) Atherosclerosis. C) Hypertension. D) Coronary ciculation. Show Answer Correct Answer: C) Hypertension. 56. The diaphragm is supplied by a right and left: A) Phrenic artery. B) Renal artery. C) Brachial artery. D) Iliac artery. Show Answer Correct Answer: A) Phrenic artery. 57. The "windpipe" is known as the A) Esophagus. B) Trachea. C) Bronchi. D) Alveoli. Show Answer Correct Answer: B) Trachea. 58. Study of blood and blood disorders A) Homeology. B) Serology. C) Hematology. D) None of above. Show Answer Correct Answer: C) Hematology. 59. They help clot wounds. A) Red blood cells. B) Smooth muscle. C) White blood cells. D) Platelets. Show Answer Correct Answer: D) Platelets. 60. Which part of the blood carries oxygen around the body? A) White Blood Cell. B) Plasma. C) Red Blood Cell. D) Platelets. Show Answer Correct Answer: C) Red 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