This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 612 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 612 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The function of a vein is to: A) Carry blood away from the heart. B) Where materials are exchanged between arteries and veins. C) Carries deoxygenated blood toward the heart. D) None of above. Show Answer Correct Answer: C) Carries deoxygenated blood toward the heart. 2. Called as the dispatching chambers A) Atria. B) Ventricle. Show Answer Correct Answer: B) Ventricle. 3. How many parts, or chambers, is the heart divided into? A) 5. B) 3. C) 2. D) 4. Show Answer Correct Answer: D) 4. 4. True or False:Your blood is always red. A) True. B) False. Show Answer Correct Answer: A) True. 5. The process in which materials are exchanged from a higher concentration to a lower concentration is called? A) Diffusion. B) Absorbtion. C) Reflection. D) None of above. Show Answer Correct Answer: A) Diffusion. 6. Is your heart made of voluntary or involuntary muscle? A) Voluntary. B) Involuntary. Show Answer Correct Answer: B) Involuntary. 7. What is the function of the atrium in the heart? A) It pumps blood into the arteries. B) It receives blood coming in from the veins. C) It closes the valves of the heart. D) It filters the blood. Show Answer Correct Answer: B) It receives blood coming in from the veins. 8. The part of the heart that receives blood from all over the body is..... A) Right porch. B) Left porch. C) Right room. D) Left room. Show Answer Correct Answer: A) Right porch. 9. Which WBC kills parasites? A) Neutrophils. B) Eosinophils. C) Monocytes. D) Basophils. Show Answer Correct Answer: B) Eosinophils. 10. Largest artery in the heart A) Aorta. B) Superior vena cava. C) Septum. D) Left atrium. Show Answer Correct Answer: A) Aorta. 11. What is removed from the blood when it travels to the lungs? A) Carbon dioxide. B) Red blood cells. C) Virus. D) Oxygen. Show Answer Correct Answer: A) Carbon dioxide. 12. Returns blood from body areas below the diaphragm- A) Inferior vena cava. B) Intercostal arteries. C) Superior vena cava. D) Superior mesenteric arteries. Show Answer Correct Answer: A) Inferior vena cava. 13. How many chambers does the heart have and what are they called. A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: C) 4. 14. Receiving chamber for oxygenated blood A) RV. B) THE. C) RV. D) LV. Show Answer Correct Answer: B) THE. 15. In the pig heart what was the hard white tissue found at the top of the heart? A) Muscle. B) Fat. C) Carbohydrates. D) Bone. Show Answer Correct Answer: B) Fat. 16. Which valve has 3 cusps and is in the right side? A) Tricuspid. B) Bicuspid(Mitral). C) Aortic. D) Semilunar. Show Answer Correct Answer: A) Tricuspid. 17. The valve that separates the right atrium and right ventricle is called A) Tricuspid valve. B) Bicuspid valve. C) Pulmonary semilunar. D) Aortic semilunar. Show Answer Correct Answer: A) Tricuspid valve. 18. Contains no nucleus. A) PLASMA. B) PLATELETS. C) WHITE BLOOD CELLS. D) RED BLOOD CELLS. Show Answer Correct Answer: D) RED BLOOD CELLS. 19. Vein that empties blood from the upper body into the upper right heart chamber A) Inferior Vena Cava. B) Superior Vena Cava. C) Pulmonary Veins. D) Aortic veins. Show Answer Correct Answer: B) Superior Vena Cava. 20. This triggers contraction in the atria: A) Because of the difference. B) AV node. C) QT node. D) AV Bundles. Show Answer Correct Answer: A) Because of the difference. ← 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