This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 516 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 516 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The blood cell known as the soldiers of the body. A) Red blood cell. B) Plasma. C) Blood. D) White blood cell. Show Answer Correct Answer: D) White blood cell. 2. What is the function of the pulmonary circuit? A) Sends oxygen-poor blood to the heart. B) Sends oxygen-poor blood to the tissues. C) Sends oxygen-poor blood to the lungs. D) Brings oxygen-rich blood from the tissues. Show Answer Correct Answer: C) Sends oxygen-poor blood to the lungs. 3. Bundle of nodes A) Atrioventricular Bundle. B) AV node. C) Because of the difference. D) Pulmonary semilunar valve. Show Answer Correct Answer: A) Atrioventricular Bundle. 4. Where is the blood pumped to once it leaves the right side of the heart? A) To the lungs. B) To the heart. C) To the body. D) To the head. Show Answer Correct Answer: A) To the lungs. 5. After running 1, 500 meters, the athlete experienced irregularities in his/her heart rate. This was an indication that the heart rate was altered. What is the medical term for this condition? A) Arrhythmia. B) Heart failure. C) Arteriosclerosis. D) Murmur. Show Answer Correct Answer: A) Arrhythmia. 6. The blood vessels allow blood to circulate from the heart to the rest of the body. A) Veins. B) Arteries. C) Esophagus. D) Platelets. Show Answer Correct Answer: B) Arteries. 7. They convey blood throughout the body. A) Heart Valves. B) Cells. C) Blood Vessels. D) None of above. Show Answer Correct Answer: C) Blood Vessels. 8. Which division of the peripheral nervous system transmits signals from sense organs to the CNS? A) Motor Division. B) Sensory Division. C) Autonomic Division. D) Somatic Division. Show Answer Correct Answer: B) Sensory Division. 9. In humans, what type of circuit is where cell metabolism occurs? A) Capillaries. B) Artery. C) Vein. D) All three types of circuits are correct. Show Answer Correct Answer: A) Capillaries. 10. Your heart is made of ..... A) Nerves. B) Capillaries. C) Muscles. D) None of above. Show Answer Correct Answer: C) Muscles. 11. What are the reactants (INgredients)of cellular respiration? A) Oxygen and Glucose. B) Carbon Dioxide and Oxygen. C) Water and Carbon Dioxide. D) Water Oxygen Energy. Show Answer Correct Answer: A) Oxygen and Glucose. 12. What would happen if the walls of arteries were to thin? A) They would expand. B) They would allow more blood to flow. C) They would stop blood flowing. D) They would burst. Show Answer Correct Answer: D) They would burst. 13. Its contain of blood cells( RBC, WBC, Platelets ) p lasma A) Hemoglobin. B) Blood. Show Answer Correct Answer: B) Blood. 14. The rhythmic sounds lub and dub' arise due to..... in heart. Heart sounds called lub dub are caused by: A) Systole of heart chambers. B) Opening of valves. C) Closure of valves. D) Diastole of heart chambers. Show Answer Correct Answer: C) Closure of valves. 15. This is pointing to the: A) Right Atrium. B) Right Ventricle. C) Left Atrium. D) Left Ventricle. Show Answer Correct Answer: D) Left Ventricle. 16. Where does the blood pick up the oxygen? A) Mouth. B) Stomach. C) Lungs. D) None of above. Show Answer Correct Answer: C) Lungs. 17. The action of sending blood around the body A) Heart. B) Capillaries. C) Pump. D) Blood. Show Answer Correct Answer: C) Pump. 18. The function of this organ is to pump blood. A) Heart. B) Small Intestine. C) Stomach. D) None of above. Show Answer Correct Answer: A) Heart. 19. Supply the heart. A) Phrenic arteries. B) Thoracic aorta. C) Aortic arch. D) Coronary arteries. Show Answer Correct Answer: D) Coronary arteries. 20. These cells fight infections in the body A) Red blood cells. B) White blood cells. Show Answer Correct Answer: B) White blood cells. ← 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