This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 233 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 233 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The main function of circular system is to A) Digest the food. B) Transport materials. C) Protect the body. D) Move the body. E) To think. Show Answer Correct Answer: B) Transport materials. 2. Do you have lungs? A) No, we dont have lungs. B) Yes, we have lungs. Show Answer Correct Answer: B) Yes, we have lungs. 3. Carries blood from lower regions of the body to right atrium A) Inferior vena cava. B) Superior vena cava. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: A) Inferior vena cava. 4. The septum divides ..... * A) The atria from the ventricles. B) The right from the left side. C) The chambers from the blood vessels. D) The oxygen from the deoxygenated blood. Show Answer Correct Answer: B) The right from the left side. 5. ..... is located between left atrium and left ventricle A) Tricuspid valve. B) Bicuspid valve. C) Semilunar valve. D) None of above. Show Answer Correct Answer: B) Bicuspid valve. 6. What is the main advantage of veins having a thin wall? A) It is easier to press the veins flat by nearby muscles to push the blood forward. B) Diffusion is faster for better exchange. C) It helps to maintain a high pressure. D) It allows pocket valves to be present. Show Answer Correct Answer: A) It is easier to press the veins flat by nearby muscles to push the blood forward. 7. Why does our heart rate increase? A) Because we are tired. B) Because we need more oxygen to our muscles. C) Because my feet hurt. D) Because we're asleep. Show Answer Correct Answer: B) Because we need more oxygen to our muscles. 8. The size of the heart is about the size of the A) Fist. B) Palm. C) Mouth. D) Hand. Show Answer Correct Answer: A) Fist. 9. What function does the artery have? A) Carries blood away from the heart. B) Take blood out of the body. C) Brings blood into the heart. D) Bring blood into the body. Show Answer Correct Answer: A) Carries blood away from the heart. 10. What helps prevent High Blood Pressure? A) Physical Excersise. B) Stress Management. C) All of the Above. D) Low Sodium Diets. Show Answer Correct Answer: C) All of the Above. 11. Which one is part of the circulatory system? A) Brain. B) Heart. C) Bones. D) Feet. Show Answer Correct Answer: B) Heart. 12. What is the job of our right heart? A) To pump blood to the whole body. B) To pump blood to the lungs. C) To pump blood to the heart. D) To absorb the nutrients. Show Answer Correct Answer: B) To pump blood to the lungs. 13. Name the vessel that takes '' Bloom Towards" the heart? A) Vein. B) Heart. C) Circulatory system. D) Oxygen. Show Answer Correct Answer: A) Vein. 14. What do the lungs provide for the circulatory system? A) New Blood Cells. B) Oxygen. C) Minerals. D) Calcium. Show Answer Correct Answer: B) Oxygen. 15. Heart attacks are the result of: A) Valves that don not function correctly. B) Too much exercise. C) Blocked coronary arteries. D) Weakened heart muscle. Show Answer Correct Answer: C) Blocked coronary arteries. 16. Which of the statements correctly explain why red blood cells do not have nucleus? A) So that it does not use oxygen for cellular respiration. B) So that it can have more space to store oxygen. C) So that it can pass through the blood vessels which have different sizes. D) None of above. Show Answer Correct Answer: B) So that it can have more space to store oxygen. 17. Thick blood vessels that carry blood from the heart to all body parts are caled A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 18. How does the circulatory system help maintain body temperature? A) Transports oxygen to the cells. B) Regulates blood pressure. C) Circulates warm blood through the body. D) Removes excess heat from the body. Show Answer Correct Answer: C) Circulates warm blood through the body. 19. The FORCE of heart contractions is ..... A) HEART RATE. B) BLOOD PRESSURE. C) PULSE. D) RESPIRATORY RATE. Show Answer Correct Answer: B) BLOOD PRESSURE. 20. This chamber of the heart pumps the blood from the heart to the lungs through the pulmonary artery A) Right Atrium. B) Left Atrium. C) Right Ventricle. D) Left Ventricle. Show Answer Correct Answer: C) Right Ventricle. ← 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