This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 124 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 124 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What components of the circulatory system fight infection in the body? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 2. The smaller, upper chambers of the heart are the ..... A) Bicuspid. B) Ventricles. C) Semilunar. D) Atria. Show Answer Correct Answer: D) Atria. 3. The liquid portion of the blood. A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: A) Plasma. 4. You breathe in ..... and breathe out ..... A) Carbon dioxide, oxygen. B) Oxygen, carbon dioxide. Show Answer Correct Answer: B) Oxygen, carbon dioxide. 5. What is facilitated diffusion? A) Transport that uses proteins to help move molecules across the membrane. B) Movements of substances through a membrane. C) When pressure pushes something through a membrane. D) When molecules spread from High to Low concentration on their own. Show Answer Correct Answer: A) Transport that uses proteins to help move molecules across the membrane. 6. When a person get a cut in the skin and starts bleeding, the ..... help to stop the bleeding. This is called ..... A) Plasma, blood coagulation. B) Platelets, blood courting. C) Plasma, blood clotting. D) Platelets, blood clotting. Show Answer Correct Answer: D) Platelets, blood clotting. 7. What is the function of the right atrium in the circulatory system? A) Receives deoxygenated blood from the body. B) Receives oxygenated blood from the lungs. C) Pumps oxygenated blood to the body. D) Pumps deoxygenated blood to the lungs. Show Answer Correct Answer: A) Receives deoxygenated blood from the body. 8. It is the system of tubes, or vascular system, through which blood flows. A) Vascular Blood. B) Vascular System. C) Vascular Tubules. D) Vacillation. Show Answer Correct Answer: B) Vascular System. 9. Which of the following is the function of the auricles / atria? A) They pump oxygen-rich blood to all parts of the body. B) They are responsible for receiving used blood coming from the lung and from all parts of the body. C) They purify blood to be distributed to all parts of the body. D) They carry oxygen-poor blood to the lungs. Show Answer Correct Answer: B) They are responsible for receiving used blood coming from the lung and from all parts of the body. 10. What are the three kinds of blood vessels? A) Arteries, Capillaries, Veins. B) Aorta, Valves, Ventricle. C) Atrium, Pacemaker, Epithelial cells. D) None of above. Show Answer Correct Answer: A) Arteries, Capillaries, Veins. 11. Capillaries are the smallest blood vessels in the mammalian body. Capillary walls are very thin, leaky and have pores approximately 100nm in length. Explain how these structural features of capillaries contribute to their function. A) They allow many capillaries to be together in a small space. B) They allow the capillaries to be very elastic. C) They allow for the diffusion of gas molecules. D) None of above. Show Answer Correct Answer: C) They allow for the diffusion of gas molecules. 12. How many red blood cells are there in a pinhead sized drop of blood? A) 5 million. B) 10 million. C) 1 million. D) 500 thousand. Show Answer Correct Answer: A) 5 million. 13. In which region will the highest pressure develop during the beating of the heart? A) Left atrium. B) Left ventricle. C) Right ventricle . D) Pulmonary artery. Show Answer Correct Answer: B) Left ventricle. 14. Root hairs are responsible for ..... A) Water absorption నీటి శోషణ. B) Mineral absorption Absorption of substances. C) Both. D) Water pressure. Water pressure. Show Answer Correct Answer: A) Water absorption నీటి శోషణ. 15. Name the two types of chambers in the heart. A) Pulmonary Aorta. B) Atrium Artery. C) Atrium Ventricle. D) Vein Artery. Show Answer Correct Answer: C) Atrium Ventricle. 16. Oxygen-transporting protein in red blood cells that gives the cells their characteristic red color. A) Hemoglobin. B) Hemostasis. C) Thrombin. D) Hematocrit. Show Answer Correct Answer: A) Hemoglobin. 17. The heart is an organ made mostly of what type of tissue? A) Connective tissue. B) Smooth muscle tissue. C) Cardiac muscle tissue. D) None of above. Show Answer Correct Answer: C) Cardiac muscle tissue. 18. What is the role of the platelets A) Blood clothing. B) Fight infection. C) Carry oxygen. D) None of above. Show Answer Correct Answer: A) Blood clothing. 19. Your "resting" heart rate can be measured when you are ..... A) Performing a strenuous activity. B) Frightened. C) Calm and still. D) None of above. Show Answer Correct Answer: C) Calm and still. 20. Circulatory System supplies cells, tissues and organs with: A) Water. B) Oxygen and nutrients. C) Waste products formed during respiration. D) Water, oxygen and nutrients. Show Answer Correct Answer: D) Water, oxygen and nutrients. 21. What are the smaller branched tubes that connect the arteries and veins called? A) Mini veins. B) Blood vessels. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 22. What chamber of the heart recieves blood? A) Right atrium. B) Left atrium. C) They keep the blood flowing one way. They stop blood flowing back into the chamber that they left. D) No pulmonary arter carries oxygen poor blood to the lungs. Show Answer Correct Answer: B) Left atrium. 23. Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable? A) Type of gasoline. B) Which car the gas is put into. C) How much gas is put into the car. D) How fast the car can drive. Show Answer Correct Answer: A) Type of gasoline. 24. Which of the blood vessels have greatest blood pressure? A) Atria. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: C) Arteries. 25. What are the four valves of the heart A) Aorta, pulmonary, atrium, ventricle valves. B) Aortic, pulmonary, bicuspid, tricuspid valves. C) Bicuspid, tricuspid, pulmonary, atrium valves. D) Aortic, pulmonary, tricuspid, vena cava valves. Show Answer Correct Answer: B) Aortic, pulmonary, bicuspid, tricuspid valves. 26. What is NOT correct about the tissue of the blood vessels? A) The tunica intima is made up of simple squamous epithelium. B) The tunica media is made up of smooth muscle cells. C) The tunica externa is made up mostly of collagen. D) The tunica externa is thin to allow blood to move through easily. Show Answer Correct Answer: D) The tunica externa is thin to allow blood to move through easily. 27. Blood gets its bright red color and dark red color because of hemoglobin. Bright red color of blood occur when ..... A) Blood has been oxygenated. B) Blood has been deoxygenated. Show Answer Correct Answer: A) Blood has been oxygenated. 28. It lets the blood being pumped from the heart to the lungs. A) Pulmonary valve. B) Bicuspid valve. C) Aortic valve. D) Tricuspid valve. Show Answer Correct Answer: A) Pulmonary valve. 29. You have ..... to the types of blood that you aren't circulating in the blood A) Antigen. B) Antibody. Show Answer Correct Answer: B) Antibody. 30. Flaps of tissue that open and close to allow the flow of blood in one direction only. A) Atriums. B) Ventricles. C) There's something that does that?. D) Valves. Show Answer Correct Answer: D) Valves. 31. This vessel is equipped with valves and a large lumen to push blood flowing at a low pressure through it A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 32. How does the heart receive its own blood supply? A) Through aorta. B) Through capillaries. C) Through pulmonary vein. D) Through coronary arteries. Show Answer Correct Answer: D) Through coronary arteries. 33. This is the biggest artery in the body. A) Pulmonary Artery. B) Aorta. C) Septum. D) Vena Cava. Show Answer Correct Answer: B) Aorta. 34. The other name for trachea is ..... A) Wind pipe. B) Heart. C) Food pipe. D) Lung. Show Answer Correct Answer: A) Wind pipe. 35. A fish's heart has ..... chambers. A) 1. B) 2. C) 4. D) 3. Show Answer Correct Answer: B) 2. 36. Is the heart able to increase in size and strength like a normal muscle? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 37. The chamber which pumps oxygenated blood to all parts of the body A) Right ventricle. B) Left auricle. C) Right auricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 38. Is involved in conveying the impulses resulting in the contraction of the myocardial walls A) Myocardial Contraction. B) Electrophysiology System. Show Answer Correct Answer: B) Electrophysiology System. 39. Organ that pumps blood throughout the body A) Brain. B) Circulatory system. C) Heart. D) Lungs. Show Answer Correct Answer: C) Heart. 40. What dose the blood Cary? A) Oxygen and carbon dioxide. B) Carbon dioxide and h2o. C) Oxygen and h2o. D) Oxygen, carbon dioxide and oxygen. Show Answer Correct Answer: D) Oxygen, carbon dioxide and oxygen. 41. What happens in coronary circulation A) Circulation to the heart. B) Circulation to the body. C) Circulation to the lungs. D) Circulation to small intestine. Show Answer Correct Answer: A) Circulation to the heart. 42. The diaphragm, trachea, and alveoli are part of the ..... system. A) Digestive. B) Circulatory. C) Respiratory. D) Endocrine. Show Answer Correct Answer: C) Respiratory. 43. It is a thin walled. A) Ventricles. B) Tricuspid Valve. C) Atria. D) Valve. Show Answer Correct Answer: C) Atria. 44. What is true about platelets? A) They produce antibodies. B) They are cells. C) They contain haemoglobin. D) They are attracted to wounds. Show Answer Correct Answer: D) They are attracted to wounds. 45. It is a tube supported by a series of cartilage rings and divided into two bronchi, one enters into the left lung and the other into the right lung. A) Trachea. B) Larynx. C) Bronchioles. D) Pharynx. Show Answer Correct Answer: A) Trachea. 46. What is another name for the heart? A) Antibody. B) Platelet. C) Artery. D) Cardiac muscle. E) Oxygen. Show Answer Correct Answer: D) Cardiac muscle. 47. The respiratory system is responsible for our ..... A) Breathing. B) Muscle movement. C) Controlling our body. D) None of above. Show Answer Correct Answer: A) Breathing. 48. Which major blood vessel carries deoxygenated blood to the lungs? A) Aorta. B) Vena Cava. C) Pulmonary artery. D) Pulmonary veins. Show Answer Correct Answer: C) Pulmonary artery. 49. What's the name of the circuit that transports oxygen-depleted blood? A) Pulmonary circuit. B) Lymphatic circuit. C) Aortic circuit. D) Systemic circuit. Show Answer Correct Answer: A) Pulmonary circuit. 50. Water-soluble nutrients leave the intestinal villi through the A) Hepatic vein. B) Hepatic portal system. C) Lymphatic capilalries. D) Capillary beds. Show Answer Correct Answer: B) Hepatic portal system. 51. Which statement is correct for most veins in the human body? A) They have a pulse. B) They have valves. C) They take blood away from the heart. D) They carry blood at high pressure. Show Answer Correct Answer: B) They have valves. 52. What percent of blood is made up of actual blood cells? A) 65%. B) 35%. C) 45%. D) 55%. Show Answer Correct Answer: C) 45%. 53. Which part of the blood helps fight infections? A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) White blood cells. 54. What is the main function of the nervous system? A) Pump blood throughout the body. B) Deliver messages to the brain. C) Clean waste water from the cells. D) Absorb nutrients for energy. Show Answer Correct Answer: B) Deliver messages to the brain. 55. Which of the following is a long extension that transmits nerve impulses to other cells? A) Dendrite. B) Axon. C) Cell body. D) None of the above. Show Answer Correct Answer: B) Axon. 56. The valve leading from the right atrium into the right ventricle is called? A) Bicuspid valve. B) Tricuspid valve. C) Aortic valve. D) Pulmonary valve. E) Mitral valve. Show Answer Correct Answer: B) Tricuspid valve. 57. Carries blood to the heart (may have multiple answers) A) Veins. B) Capillaries. C) Alveoli. D) Arteries. Show Answer Correct Answer: A) Veins. 58. Which part of your respiratory system warms and cleans the air? A) Nasal Cavity. B) Trachea. C) Larynx. D) Alveoli. Show Answer Correct Answer: A) Nasal Cavity. 59. The left upper chamber of the heart. A) Right Atrium. B) Left Atrium. C) Right Ventricles. D) Left Ventricles. Show Answer Correct Answer: B) Left Atrium. 60. A Single Circulatory System is a simple loop in which blood flows: A) Heart $\rightarrow$; Gills $\rightarrow$ Heart $\rightarrow$ Body. B) Heart $\rightarrow$; Gills $\rightarrow$ Body $\rightarrow$ Heart. C) Heart $\rightarrow$; Gills $\rightarrow$ Body. D) Gills $\rightarrow$ Body $\rightarrow$ Heart. Show Answer Correct Answer: B) Heart $\rightarrow$; Gills $\rightarrow$ Body $\rightarrow$ Heart. ← 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