This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 422 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 422 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. There are 3 kinds of valves that located in our heart:Semilunar valves, Tricuspid valve, and Bicuspid valve. A) True. B) False. Show Answer Correct Answer: A) True. 2. Means of circulation in our body ..... A) Blood. B) Lymph. C) Both. D) Plasma. Show Answer Correct Answer: C) Both. 3. Blood vessels that carry blood TO the heart are called A) Arteries. B) Veins. C) Platelets. D) Ventricles. Show Answer Correct Answer: B) Veins. 4. What system of our body is responsible for our breathing? A) Skeletal. B) Muscular. C) Respiratory. D) None of above. Show Answer Correct Answer: C) Respiratory. 5. The two bottom chambers of the heart is called: A) Atrium. B) Ventricles. C) Septum. D) Valves. Show Answer Correct Answer: B) Ventricles. 6. Destroy microbes and dead cells. A) Leukocytes. B) Erythrocytes. C) Platelets. D) None of above. Show Answer Correct Answer: A) Leukocytes. 7. The four chambers of the heart are the ..... A) Right and left ventricles and atria. B) Right and left pulmonary arteries and veins. C) Right and left ventricles and pulmonary veins. D) Right and left atria and pulmonary veins. Show Answer Correct Answer: A) Right and left ventricles and atria. 8. Clear fluid that contains special white blood cells A) Lymph. B) Lymphocytes. C) Lymph nodes. D) Tonsils. Show Answer Correct Answer: A) Lymph. 9. What does the circulation of blood around the body provide to body cells? A) Oxygen. B) Nutrients. C) A way to get rid of waste. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Which of the following is the main function of the respiratory system? A) Transport materials throughout the human body. B) Provide gas exchange between blood and air. C) Create red blood cells. D) Provide movement for the body. Show Answer Correct Answer: B) Provide gas exchange between blood and air. 11. What heart chambers contract to pump the blood? A) Both. B) Atria. C) Ventricles. D) None of above. Show Answer Correct Answer: A) Both. 12. Which of the following plays an important role in blood clotting? A) Blood plasma. B) Leucocytes. C) Platelets. D) Erythrocytes. Show Answer Correct Answer: C) Platelets. 13. What occurs when the heart muscles contract? A) Blood flows into the heart. B) Blood is pushed out to the arteries. C) Blood passes through the lungs. D) Blood picks up oxygen in exchange for CO2. Show Answer Correct Answer: B) Blood is pushed out to the arteries. 14. Pulse rate measures..... A) How many times the heart beats per minute. B) How many times the heart beats per second. C) How many times the heart beats in a lifetime. D) Average number of times the heart beats per hour. Show Answer Correct Answer: A) How many times the heart beats per minute. 15. The organ system that works closely with the respiratory system in gas exchange is the ..... A) Circulatory system. B) Digestive system. C) Excretory system. D) Lymphatic system. Show Answer Correct Answer: A) Circulatory system. 16. Upper two chambers of heart is called ..... A) Ears. B) Ventricles. Show Answer Correct Answer: A) Ears. 17. Respiratory System:gasesCirculatory System: ..... A) Blood. B) Carbon dioxide. C) Oxygen. D) Red blood cells. Show Answer Correct Answer: A) Blood. 18. A tiny blood vessel that allows for exchange between the blood and cells in the tissues in the body is called a A) Blood vessel. B) Vein. C) Capillary. D) Artery. Show Answer Correct Answer: C) Capillary. 19. The pulmonary artery is the artery that carries the blood to your heart from your lungs. A) True. B) False. Show Answer Correct Answer: B) False. 20. The sound dub arise by the closure of..... A) Aortic valve. B) Pulmonary valve. C) Both. D) Tricuspid valve. Show Answer Correct Answer: C) Both. ← 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