This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 678 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 678 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is the component of blood involved in the transport of oxygen? A) White blood cells. B) Platelets. C) Hemoglobin. D) Plasma. Show Answer Correct Answer: C) Hemoglobin. 2. Septum lower part: A) Interatrial septum. B) Interventricular septum. Show Answer Correct Answer: B) Interventricular septum. 3. ..... blood cells fight infection. They surround and absorb germs which enter the body. A) White. B) Platelets. C) Red. D) None of above. Show Answer Correct Answer: A) White. 4. Blood that has traveled through the body supplying nutrients to tissues eventually returns to the heart through the: A) Left and right pulmonary veins. B) Left and right pulmonary arteries. C) Left and right ventricles. D) Superior vena cava and interior vena cava. Show Answer Correct Answer: D) Superior vena cava and interior vena cava. 5. Blood is made of different kinds of ..... A) Plasma. B) Blood cells that float in plasma. C) Platelets. D) Nutrients floating in platelets. Show Answer Correct Answer: B) Blood cells that float in plasma. 6. The part of the blood that fights off germs such as bacteria and viruses A) Red blood cells. B) White blood cells. C) Heart. D) Circulatory System. Show Answer Correct Answer: B) White blood cells. 7. Which is the largest type of blood vessel; arteries, veins or capillaries? A) Arteries. B) Veins. C) Capillaries. D) They are all the same size. Show Answer Correct Answer: A) Arteries. 8. Students wanted to see if the type of material affected the temperature after being placed under a heat lamp for 10 minutes.What is the dependent variable for this investigation? A) Type of material (rocks, sand etc). B) Temperature after 10 minutes. C) Time under the lamp. D) Heat lamp, amount of material. Show Answer Correct Answer: B) Temperature after 10 minutes. 9. Cell carried in the blood that helps fight infections A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) White blood cells. 10. What layer of the heart muscle is most deep? A) Epicardium. B) Myocardium. C) Endocardium. D) Pericardium. Show Answer Correct Answer: C) Endocardium. 11. One difference between arteries and veins is ..... A) Arteries carry oxygen, veins carry carbon dioxide. B) Veins carry carbon dioxide, arteries carry oxygen. Show Answer Correct Answer: A) Arteries carry oxygen, veins carry carbon dioxide. 12. Your white blood cells carry away waste. A) True. B) False. Show Answer Correct Answer: B) False. 13. What is the average heart rate of a resting adult? A) 120-150 beats per minute. B) 60-100 beats per minute. C) 10-30 beats per minute. D) 20-50 beats per minute. Show Answer Correct Answer: B) 60-100 beats per minute. 14. By what process do substances pass between the blood and the air? A) Osmosis. B) Diffusion. C) Gas exchange. D) Magic. Show Answer Correct Answer: B) Diffusion. 15. This is a network of vessels that carries blood that leaves the heart to the body and then returns the blood from the body back to the heart. A) Systematic Circulation. B) Pulmonary Circulation. C) Coronary Circulation. D) None of above. Show Answer Correct Answer: A) Systematic Circulation. 16. What blood vessel brings deoxygenated blood from the body to the heart? A) Pulmonary vein. B) Pulmonary artery. C) Aorta. D) Vena cava. Show Answer Correct Answer: D) Vena cava. 17. What organ does the blood flow to in order to pick up Oxygen? A) Liver. B) Stomach. C) Brain. D) Lung. Show Answer Correct Answer: D) Lung. 18. When we want to exhale, the rib cage has to move A) Upwards and outwards. B) Inwards and downwards. Show Answer Correct Answer: B) Inwards and downwards. 19. Destiny has blood type B, which antibodies are present? A) None. B) A. C) B. D) A and B. Show Answer Correct Answer: B) A. 20. When an individual has Atherosclerosis, it forms Plaque within the Arteries. How does Atherosclerosis affect Blood Flow? A) Arterial plaque clogs the arteries, limiting or stopping blood flow. B) Arterial plaque changes the direction of blood flow, which forces oxygenated blood to the heart. C) Arterial plaque changes the size of blood cells, which prevents blood from flowing in the arteries. D) Arterial plaque clears the arteries, increasing blood flow. Show Answer Correct Answer: A) Arterial plaque clogs the arteries, limiting or stopping blood flow. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books