This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 597 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 597 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens at number 3? A) Blood enters the heart from the lungs. B) Blood goes to the lungs to become oxygenated. C) Blood travels around the body. D) Blood enters the heart from around the body. Show Answer Correct Answer: A) Blood enters the heart from the lungs. 2. What is the role of Artilleries? A) To carry blood from our body. B) To carry blood to our body. C) None of these. D) All of these. Show Answer Correct Answer: A) To carry blood from our body. 3. Red blood cell A) Fluid carrying everything. B) Clots blood. C) Carries O2 and CO2. D) Fluid moves nutrients, gases and wastes around the body. E) Protects body from infections. Show Answer Correct Answer: C) Carries O2 and CO2. 4. When we inhale we take in..... A) Carbon dioxide. B) Nitrogen. C) Ammonia. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 5. Which is responsible for blood clotting? A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: D) Platelets. 6. The ..... are the organs of the circulatory system A) Heart, stomach and blood. B) Heart, blood vessels and blood. C) Kidneys, blood vessels and blood. D) None of above. Show Answer Correct Answer: B) Heart, blood vessels and blood. 7. The heart is the size of a(n) ..... A) Fist. B) Minivan. C) Ant. D) Large school bus. Show Answer Correct Answer: A) Fist. 8. The universal donor A) O+. B) O-. C) AB+. D) AB-. Show Answer Correct Answer: B) O-. 9. Prevents oxygen-rich and carbon dioxide rich blood from mixing in the heart. A) Aorta. B) Atrium. C) Valve. D) Septum. Show Answer Correct Answer: D) Septum. 10. Name that System:villi A) Respiratory. B) Circulatory. C) Digestive. D) None of above. Show Answer Correct Answer: C) Digestive. 11. Are the charge of protecting the body from harmful microorganisms and of eliminating dead cells A) White blood cells. B) Red blood cells. C) Plasma. D) Blood. E) Transportation path. Show Answer Correct Answer: A) White blood cells. 12. When is blood pressure the highest? A) . When blood is pumped out of the heart. B) When oxygen is transferred from the lungs into the bloodstream. C) When blood is circulating through your hands and feet. D) None of above. Show Answer Correct Answer: A) . When blood is pumped out of the heart. 13. Which component of blood is responsible for carrying nutrients to the cells? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 14. Blood moves from the heart to the lungs then back to the heart. A) True. B) False. Show Answer Correct Answer: A) True. 15. Systematic circulation A) Carry blood to the left side of the heart. B) Blood flows from the left side of the heart back to the right side. C) Carry oxygenated blood from lungs to heart. D) Carry red oxygenated blood. Show Answer Correct Answer: B) Blood flows from the left side of the heart back to the right side. 16. Which is the correct formula for respiration? A) 6 CO2 + C6H12O6 $\rightarrow$ 6 H2O + 6 O2 + 38 ATP. B) Ta bad + ta haqq $\rightarrow$ satta 12 wat + ta aa. C) C6H12O6 + 6 O2 $\rightarrow$ 6 H2O + 6 CO2 +38 ATP. D) Ta Haq + Ta Bad $\rightarrow$ Satha 12 Watt + Ta Aa. Show Answer Correct Answer: C) C6H12O6 + 6 O2 $\rightarrow$ 6 H2O + 6 CO2 +38 ATP. 17. Interstitial fluid is collected by ..... A) Blood capillaries. B) Lymphatic capillaries. C) Nerve cells. D) The thymus. Show Answer Correct Answer: B) Lymphatic capillaries. 18. The heart has 4 ....., or sections. A) Chambers. B) Atrium. C) Ventricles. D) Valves. Show Answer Correct Answer: A) Chambers. 19. What is a vessel that brings blood TOWARD the heart? A) Blood vessels. B) Capillaries. C) Veins. D) Arteries. Show Answer Correct Answer: C) Veins. 20. Purpose of the capillaries (in the respiratory system) A) Pathway of the CO2. B) Red blood cells pick up O2 and drop off CO2 to the alveoli. C) Transfer of the CO2 and O2. D) Pathway of the O2. Show Answer Correct Answer: B) Red blood cells pick up O2 and drop off CO2 to the alveoli. ← 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