This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 267 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 267 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is nicknamed the 'Transportation Highway' of your body? A) The respiratory system. B) The nervous system. C) The circulatory system. D) The digestive system. Show Answer Correct Answer: C) The circulatory system. 2. Which chamber of the heart receives blood from the lungs? A) The right atrium. B) The right ventricle. C) The left atrium. D) The left ventricle. Show Answer Correct Answer: C) The left atrium. 3. Which is true about the heart? A) Four valves. B) Three veins. C) Two arteries. D) All of the above. Show Answer Correct Answer: A) Four valves. 4. Blood leaves the heart traveling at about 16 inches per second but slows to 0.02 inches per second in the capillaries. Why? A) It slows down because it is running out of oxygen. B) The blood slows down because the person is exercising. C) The blood slows down because it is flowing from large arteries to very tiny capillaries. D) The blood is inside an older person so it doesn't pump as well. Show Answer Correct Answer: C) The blood slows down because it is flowing from large arteries to very tiny capillaries. 5. Openings that pull air from outside your body into your respiratory system. A) Sinuses. B) Mouth and nose. C) Bronchial tubes. D) Lungs. Show Answer Correct Answer: B) Mouth and nose. 6. What does the sistemic circulation bring? A) Oxygen. B) Carbon dioxide. C) Vessels. D) All of them. Show Answer Correct Answer: A) Oxygen. 7. Large vein carrying deoxygenated blood back to the heart. A) Vena cava. B) Pulmonary vein. C) Aorta. D) Blood vessels. Show Answer Correct Answer: A) Vena cava. 8. What part of the heart delivers oxygenated blood to the heart? A) Pulmonary artery. B) Pulmonary Vein. C) Aorta. D) Tricuspid Valve. Show Answer Correct Answer: B) Pulmonary Vein. 9. Blood that rich in oxygen are bright red because it contains ..... A) Hemostatic. B) Hemoglobin. C) Hemophilia. D) Hemodialysis. Show Answer Correct Answer: B) Hemoglobin. 10. What is our maximum heart rate? A) 40-60. B) 60-120. C) 220. D) 180. Show Answer Correct Answer: C) 220. 11. The red blood cells carry this gas to every cell in the body A) Oxygen. B) Carbon dioxide. C) Gas. D) Membrane. Show Answer Correct Answer: A) Oxygen. 12. Monocytes are cells that A) Are chemically attracted to the site of inflammation. B) Are crucial in defense against viruses, parasites and chronic infections. C) Acts like a vasodilator and attracts other cells to that site. D) Facilitate the flow of oxygen through the cells. Show Answer Correct Answer: B) Are crucial in defense against viruses, parasites and chronic infections. 13. Amphibians have ..... circulatory system A) Complete double. B) Complete single. C) Incomplete double. D) Incomplete single. Show Answer Correct Answer: C) Incomplete double. 14. The respiratory system begins in the A) Diaphragm. B) Lungs. C) Nose and mouth. D) Pharynx. Show Answer Correct Answer: C) Nose and mouth. 15. Normal WBC count in a human is what per cubic millimeter? A) 1, 000-2, 500. B) 5, 000-10, 000. C) 12, 500-20, 000. D) 100, 000-150, 000. Show Answer Correct Answer: B) 5, 000-10, 000. 16. This blood vessel transport blood AWAY from the heart. A) Artery. B) Vein. C) Capillary. D) Duct. Show Answer Correct Answer: A) Artery. 17. Normal blood pressure is 120/80. What is it called when your blood pressure is higher than that? A) Hypertension. B) Anemia. C) Heart Failure. D) Hemophilia. Show Answer Correct Answer: A) Hypertension. 18. Tissue made up of cells and pieces of cells carried in aliquid; transported throughout the body by the circulatorysystem A) Blood. B) Capillaries. C) Heart. D) Plasma. Show Answer Correct Answer: A) Blood. 19. What does a T wave represent? A) Atria contract. B) Ventricles contract. C) Ventricles relax and reset. D) None of above. Show Answer Correct Answer: C) Ventricles relax and reset. 20. True or False:Arteries keep a steady blood pressure due to their elastic quality. This keeps the pulsation smooth and is caused by the pumping of the heart. A) True. B) False. Show Answer Correct Answer: A) True. ← 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