This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 385 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 385 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When the heart contracts after the blood is in the left atrium, blood moves into the ..... A) Heart. B) Left ventricle. C) Right ventricle. D) Lungs. Show Answer Correct Answer: B) Left ventricle. 2. What does the chart show in terms of blood circulation when an athlete starts to run? A) Decrease in circulation. B) Increase in circulation to each organ. C) No change in circulation. D) Increase in circulation to the lungs. Show Answer Correct Answer: B) Increase in circulation to each organ. 3. What are the upper chambers of the heart? A) Bicuspid and mitral. B) Bicuspid and tricuspid. C) Left ventricle and right ventricle. D) Left atrium and right atrium. Show Answer Correct Answer: D) Left atrium and right atrium. 4. What is the mechanical advantage formula? A) Distance x load. B) Output force divided by input force. C) Mass / direction. D) Whats mechanical advantage?. Show Answer Correct Answer: B) Output force divided by input force. 5. Where does the blood go to receive oxygen? A) Lungs. B) Esophagus. C) Brain. D) Ears. Show Answer Correct Answer: A) Lungs. 6. What is the job of the circulatory system? A) Transporting oxygen and nutrients through the body. B) Taking oxygen into the body and removing carbon dioxide. C) Breaking down food and taking nutrients into the body. D) Sensing the surrounding environment. Show Answer Correct Answer: A) Transporting oxygen and nutrients through the body. 7. Name the type of blood vessel that transports blood to the heart. A) Vein. B) Artery. C) Capillary. D) Aorta. Show Answer Correct Answer: A) Vein. 8. How many chambers does blood travel through before it goes to the lungs? A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: A) 2. 9. Red blood cells contain ..... which is a substance rich in iron and gives the blood-red color. A) Carbon dioxide. B) Oxygen. C) Hemoglobin. D) Nutrients. Show Answer Correct Answer: C) Hemoglobin. 10. Which of the following is NOT a major branch of the aorta? A) Brachiocephalic. B) Right subclavian. C) Left common carotid. D) Left subclavian. Show Answer Correct Answer: B) Right subclavian. 11. The body would have trouble fighting germs if white blood cells were absent A) True. B) False. Show Answer Correct Answer: A) True. 12. Which of these is a function of the circulatory system? A) Carrying Carbon dioxide from the cells to the lungs. B) Sending nerve impulses throughout the body. C) Transforming large insoluble molecules into small soluble molecules. D) None of above. Show Answer Correct Answer: A) Carrying Carbon dioxide from the cells to the lungs. 13. Your body makes new blood cells and platelets ..... A) Once every week or two. B) Every day. C) Yearly. D) Every few months. Show Answer Correct Answer: B) Every day. 14. ..... connects the mouth and throat to lungs. A) Trachea. B) Diaphragm. C) Nose. D) Alveoli. Show Answer Correct Answer: A) Trachea. 15. What substance is found in human red blood cells? A) Hemoglobin. B) Hemocyanin. C) Oxytocin. D) None of above. Show Answer Correct Answer: A) Hemoglobin. 16. What is another name for platelet? A) Erythrocytes. B) Thrombocytes. C) Leukocytes. D) None of above. Show Answer Correct Answer: B) Thrombocytes. 17. What is sign for brain to send impulse for breathing? A) High CO2 level. B) Low CO2 level. C) High O2 level. D) High blood concentration. Show Answer Correct Answer: A) High CO2 level. 18. The ..... ventricle has a greater workload than the ..... ventricle. A) Right, left. B) Left, right. Show Answer Correct Answer: B) Left, right. 19. The heart is about the size of the three adults hands held together. A) True. B) False. C) I am a robot. D) My heart is broken. Show Answer Correct Answer: B) False. 20. Which organelle controls what goes in and out of the cell? A) Nucleus. B) Nucleolus. C) Cell membrane. D) Nuclear membrane. Show Answer Correct Answer: C) Cell membrane. ← 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