This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 361 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 361 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How are the diagram and photograph different? A) They both are parts of a human. B) The diagram is not real. The photograph is of a real heart. C) They both focus on the circulatory system. D) One is female and one is male. Show Answer Correct Answer: B) The diagram is not real. The photograph is of a real heart. 2. Which circulatory system is more efficient? A) Closed circulatory system. B) Open circulatory system. C) They are both the same efficiency. D) None of above. Show Answer Correct Answer: A) Closed circulatory system. 3. The windpipe is also known as which organ? A) Lung. B) Trachea. C) Alveoli. D) Nose. Show Answer Correct Answer: B) Trachea. 4. This type of the blood vessel carries oxygen rich blood from the heart to the rest of the body ..... A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 5. What type of Circulation brings oxygenated blood to the lungs? A) Pulmonary Circulation. B) Systemic Circulation. Show Answer Correct Answer: A) Pulmonary Circulation. 6. Which type of cells contain haemoglobin? A) White blood cells. B) Platelets. C) Stomata. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 7. High blood pressure can be dangerous to your health. A) True. B) False. Show Answer Correct Answer: A) True. 8. What part of the heart acts like doors to control the blood flow? A) Valves. B) Chambers. C) Kidneys. D) Pulmonary veins. Show Answer Correct Answer: A) Valves. 9. Deoxygenated Blood is carried in A) Arteries. B) Veins. Show Answer Correct Answer: B) Veins. 10. What is cellular respiration? A) The breakdown of glucose to release ATP. B) The breakdown of glucose to release NADH. C) The breakdown of glucose to release FADH. D) The breakdown of glucose to release carbon. Show Answer Correct Answer: A) The breakdown of glucose to release ATP. 11. Part of the brain that controls vital body functions such as the heart rate and respiration A) Midbrain. B) Cerebellum. C) Cerebrum. D) Brain stem. E) Medulla oblongata. Show Answer Correct Answer: E) Medulla oblongata. 12. What type of blood collects in the left atrium A) Oxygenated. B) Deoxygenated. C) Normal. D) Blue. Show Answer Correct Answer: A) Oxygenated. 13. Which blood vessel type is involved in the exchange of oxygen and nutrients with the tissues of the body? A) Arterioles. B) Sphincters. C) Arteries. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 14. Where the impure blood comes first A) Left artery. B) Right artery. C) Left ventricle. D) Right ventricle . Show Answer Correct Answer: B) Right artery. 15. Main organs of the respiratory system A) Larynx. B) Lungs. C) Alveoli. D) Bronchi. Show Answer Correct Answer: B) Lungs. 16. This side of the heart pumps oxygenated blood: A) Right side. B) Left side. C) Both sides. D) Neither side. Show Answer Correct Answer: B) Left side. 17. Which blood vessel is responsible for taking blood away from the heart to the body? A) Capillaries. B) Artery. C) Vein. D) Muscles. Show Answer Correct Answer: B) Artery. 18. ..... are the lower cavities of the heart. A) Lungs. B) Atria. C) Ventricles. D) Arteries. Show Answer Correct Answer: C) Ventricles. 19. Found in red blood cells. Carries oxygen from the lungs to body tissues. A) Platelets. B) Hemoglobin. C) Plasma. D) White blood cells. Show Answer Correct Answer: B) Hemoglobin. 20. ..... valve is present between the right auricle and right ventricles A) Aortic. B) Tricuspid. C) Pulmonary. D) Bicuspid. Show Answer Correct Answer: B) Tricuspid. ← 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