This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 329 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 329 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does de-oxygenated mean? A) High in oxygen. B) Low in oxygen. Show Answer Correct Answer: B) Low in oxygen. 2. True or False:The circulatory system does not help the body regulate temperature A) True. B) False. Show Answer Correct Answer: B) False. 3. The right atrium is separated from the right ventricle by the ..... A) Atrioventricular Valve. B) Semilunar Valve. C) Right Valve. D) Deoxygenated Valve. Show Answer Correct Answer: A) Atrioventricular Valve. 4. True or False:You have more capillaries in your body than any other blood vessel. A) True. B) False. Show Answer Correct Answer: A) True. 5. Where do you find your pulse? A) Neck, Wrist & Chest. B) In your ears. C) Pinky finger only. D) Neck and pinky finger only. Show Answer Correct Answer: A) Neck, Wrist & Chest. 6. Blood traveling from the heart, to the rest of the body and back to the heart is called the ..... circuit. A) Full body. B) Systemic. C) Pulmonary. D) Heart to lung. Show Answer Correct Answer: B) Systemic. 7. The ..... branches into a right and left pulmonary artery A) Pulmonary Trunk. B) Pulmonary Vein. C) Aorta. D) Vena Cava. Show Answer Correct Answer: A) Pulmonary Trunk. 8. Receives deoxygenated blood from the body through the vena cava and pumps it into the right ventricle which then sends it to the lungs to be oxygenated. A) Left Ventricle. B) Right Ventricle. C) Left Atrium. D) Right Atrium. Show Answer Correct Answer: D) Right Atrium. 9. What is the main function of the aorta in the circulatory system? A) Carry blood towards the heart. B) Carry blood away from the heart. C) Involved in the clotting process of the blood following an injury. D) Protect against disease and harmful bacteria; produce antibodies. Show Answer Correct Answer: B) Carry blood away from the heart. 10. Why is the left ventricular muscle of the heart thicker than the right? A) To pump blood further and under higher pressure. B) To regulate body temperature. C) To pump blood to the lungs. D) To produce antibodies. Show Answer Correct Answer: A) To pump blood further and under higher pressure. 11. The blood is low in oxygen in the right ventricle. A) True. B) False. Show Answer Correct Answer: A) True. 12. Heart is: A) Apple Sized. B) Fist Sized. C) Leg Sized. D) 2 fist sized. Show Answer Correct Answer: B) Fist Sized. 13. It produce certain proteins known as antibodies, which act against foreign substances A) Lymphocytes. B) Phagocytes. C) Eosinophyl. D) Lymph nodes. Show Answer Correct Answer: A) Lymphocytes. 14. Which part of the blood help forms blood clots to prevent the loss of blood and close wounds? A) Plasma. B) RBC. C) WBC. D) Platelets. Show Answer Correct Answer: D) Platelets. 15. What are the names of the two systems in the circulatory system? A) Respiratory & Circulatory. B) Pulmonary & Systemic. C) Systemic & Respiratory. D) Arteries & Veins. Show Answer Correct Answer: B) Pulmonary & Systemic. 16. Right part of human heart contains A) Oxygenated blood. B) Mixed blood. C) Deoxygenated blood. D) No blood. Show Answer Correct Answer: C) Deoxygenated blood. 17. What pumps the blood from the right ventricle to the lungs? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 18. Blood is mainly composed of ..... A) Plasma. B) Red Blood Cells. C) White Blood Cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 19. Oxygenated blood gets away from the heart and distributed through the body by A) Aorta. B) Vena cava. Show Answer Correct Answer: A) Aorta. 20. This disease makes people difficult in passing feces. This happens because of the lack of fiber. The name of the disease is ..... A) Typhoid. B) Gastritis. C) Diarrhea. D) Constipation. Show Answer Correct Answer: D) Constipation. ← 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