This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 131 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 131 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ligaments, tendons, and bones are part of this system A) Skeletal. B) Muscular. C) Respiratory. D) Circular. Show Answer Correct Answer: A) Skeletal. 2. Regulates involuntary actions like breathing and digesting A) Peripheral Nervous System (PNS). B) Central Nervous System (CNS). C) Autonomic System. D) Somatic System. Show Answer Correct Answer: C) Autonomic System. 3. The heart pumps blood throughout our body. A) True. B) False. Show Answer Correct Answer: A) True. 4. This contains valves, which only let the blood flow one way-towards the heart. A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: A) Veins. 5. Blood flowing in the pulmonary artery is traveling towards which organ? A) Brain. B) Kidneys. C) Lungs. D) Trachea. Show Answer Correct Answer: C) Lungs. 6. If the population of prey increases, the population of predators will ..... because of the availability of food. A) Decrease. B) Stay the same. C) Increase. D) None of above. Show Answer Correct Answer: C) Increase. 7. 'To err' is human. A) Finite. B) Non-finite. Show Answer Correct Answer: B) Non-finite. 8. How many chambers are there in herat A) 1. B) 2. C) 3. D) 4. E) 5. Show Answer Correct Answer: D) 4. 9. After originating in bone marrow, may be found in lymphoid tissue. A) Megakaryocyte. B) Eosinophil. C) Basophil. D) Lymphocyte. E) Neutrophil. Show Answer Correct Answer: D) Lymphocyte. 10. The major functioning unit of the circulatory system A) Heart. B) Arteries. C) Veins. D) Aorta. Show Answer Correct Answer: A) Heart. 11. Which component in blood is a straw coloured liquid that transports dissolved substances? A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. Show Answer Correct Answer: B) Plasma. 12. Body organ which pumps blood to the whole body is ..... A) Lungs. B) Heart. C) Liver. D) Gall bladder. Show Answer Correct Answer: B) Heart. 13. The ..... system flows blood through the body. A) Respiratory. B) Circulatory. C) Digestive. D) Endocrine. Show Answer Correct Answer: B) Circulatory. 14. What equipment is used to measure air being inspired and expired? A) Breathalyzer. B) Spirometer. C) Inspirometer. D) Expirometer. Show Answer Correct Answer: B) Spirometer. 15. What does the respiratory system do? A) It circulates blood to every cell in your body. B) It brings oxygen to the red blood cells and gets rid of waste carbon dioxide. C) It squeezes blood down to the right ventricle. D) It breaks down sugar to get energy. Show Answer Correct Answer: B) It brings oxygen to the red blood cells and gets rid of waste carbon dioxide. 16. What is the process that occurs when cells are nourished and energized by the blood? A) Circulatory Charades. B) Cell Respiration. C) Oxygenation. D) Blood Transport. Show Answer Correct Answer: B) Cell Respiration. 17. How does blood flow into the right atrium? A) Through the vena cavas. B) Through the aorta. C) Through the pulmonary artery. D) Through the left ventricle. Show Answer Correct Answer: A) Through the vena cavas. 18. Which one is INCORRECT about continuous capillary? A) The most common capillary. B) Can be found in liver, spleen etc. C) Has intercellular cleft. D) Allows gasses, water, glucose, some hormones to pass. Show Answer Correct Answer: B) Can be found in liver, spleen etc. 19. What would happen to people who have an open wound and whose blood did not clot naturally? A) They may bleed to death. B) Nothing. Clotting is not important. C) They would have to take regular doses of plasma. D) They would have to take regular doses of platelets. Show Answer Correct Answer: A) They may bleed to death. 20. Arteries that carry blood to the lungs. A) Pulmonary. B) Coronary. C) Inferior. D) Superior. Show Answer Correct Answer: A) Pulmonary. ← 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