This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 518 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 518 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... cells are responsible for immunological memory A) Helper cells. B) NK cells. C) Plasma cells. D) Memory cells. Show Answer Correct Answer: D) Memory cells. 2. Freshly oxygenated blood transported from the lungs is first recieved by which chamber? A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: B) Left atrium. 3. Which is known as the universal donor? A) Type O. B) Type A. C) Type B. D) Type AB. Show Answer Correct Answer: A) Type O. 4. What level of organization is blood? A) Tissue. B) Organ. C) Cell. D) Organ system. Show Answer Correct Answer: A) Tissue. 5. What carry blood to and from the body? A) Systemic. B) Pulmonary. Show Answer Correct Answer: A) Systemic. 6. Small blood vessels that connect arterioles to venules A) Vascular. B) Venous vessels. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 7. Double Circulation involves- A) Systemic Circulation. B) Pulmonary Circulation. C) Both systemic and pulmonary circulation. D) None of the above. Show Answer Correct Answer: C) Both systemic and pulmonary circulation. 8. Which blood vessel is the largest? A) Artery. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Artery. 9. Organ found that exchanges oxygen and carbon dioxide with the blood A) Lungs. B) Respiratory system. C) Cardiovascular system. D) Vein. Show Answer Correct Answer: A) Lungs. 10. What is the Cardiovascular System also know as? A) Respiratory System. B) Nervous System. C) Muscular System. D) Circulatory System. Show Answer Correct Answer: D) Circulatory System. 11. Our circulatory system is made up our heart, our blood vessels and the blood. A) True. B) False. Show Answer Correct Answer: A) True. 12. In a(n) ..... circulatory system, the heart pumps blood through a complete network of vessels and capillaries. A) Closed. B) Open. Show Answer Correct Answer: A) Closed. 13. A scientist pumps water to the aorta of a dissected pig heart. Where will the water go? A) Vena cava. B) Aorta. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: B) Aorta. 14. All energy on Earth ultimately comes from what source? A) Water. B) Sun. C) Consumers. D) Oxygen. Show Answer Correct Answer: B) Sun. 15. The pulmonary arteries carry ..... blood ..... the heart. A) Oxygenated; away from. B) Oxygenated; from the lungs back to. C) Deoxygenated; away from. D) Deoxygenated; from the lungs back to. Show Answer Correct Answer: C) Deoxygenated; away from. 16. The system of blood vessels that carries deoxygenated blood to the lungs and oxygenated blood back to the heart is on the A) Right side of the heart. B) Left side of the heart. Show Answer Correct Answer: A) Right side of the heart. 17. Universal Blood donor is? A) O. B) O-. C) AB. D) A. Show Answer Correct Answer: B) O-. 18. The valve which connects left atrium to left ventricle A) Mitral Valve. B) Tricuspid valve. C) Aortic valve. D) Pulmonary valve. Show Answer Correct Answer: A) Mitral Valve. 19. Who proved that valves in veins regulate flow of blood in one way direction? Who proved that valves in sarees allow blood to flow in one direction? A) Marcello Malphigi. B) William Harvey William Harvey. C) Both. D) Gyrilamo Fabrici Gyrilamo Fabrici. Show Answer Correct Answer: B) William Harvey William Harvey. 20. Ability of WBC to slip into and out of blood vessels A) Positive chemotaxis. B) Leveling. C) Ameboid motion. D) Hematocrit. Show Answer Correct Answer: B) Leveling. ← 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