This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 360 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 360 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The bottom chambers of your heart are called A) Ventricles. B) Lungs. C) Atriums. D) Aorta. Show Answer Correct Answer: A) Ventricles. 2. Pulmonary arteries travel from the ..... to the ..... A) Heart, Lungs. B) Lungs, Heart. C) Body, Heart. D) Heart, Body. Show Answer Correct Answer: A) Heart, Lungs. 3. Another name for the circulatory system is the? A) Digestive system. B) Cardiovascular system. C) Blood system. D) Excretory system. Show Answer Correct Answer: B) Cardiovascular system. 4. ..... are very fine vessels that have thin wall. A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: C) Blood capillaries. 5. What is the chemical equation for aerobic respiration? A) Glucose + Oxygen $\rightarrow$ Carbon dioxide + Water + Energy. B) Oxygen + Carbon dioxide + Energy $\rightarrow$ Glucose + Water. C) Lactic acid $\rightarrow$ Glucose. D) None of above. Show Answer Correct Answer: A) Glucose + Oxygen $\rightarrow$ Carbon dioxide + Water + Energy. 6. ..... carry blood from the heart to all body cells. A) Blood capillaries. B) Arteries. C) Veins. D) Arteries and veins. Show Answer Correct Answer: B) Arteries. 7. Pericardium- A) Lines inside of heart; allows smooth flow of blood-only layer which touches the blood as it flows through. B) Muscular middle layerdouble-layeredthrough. C) Membrane (sac); covers heart; pericardial fluid between these 2 layers. D) None of above. Show Answer Correct Answer: C) Membrane (sac); covers heart; pericardial fluid between these 2 layers. 8. A pigment that gives the skin its color A) Dermis. B) Epidermis. C) Melanin. D) Pore. Show Answer Correct Answer: C) Melanin. 9. What is responsible for blood clotting? A) Corpuscles. B) Protein. C) Hemoglobin. D) Plasma. Show Answer Correct Answer: D) Plasma. 10. T/F:Heart murmurs are indicative of the valves of the heart not functioning properly: A) True. B) False. Show Answer Correct Answer: A) True. 11. Carry oxygen and carbon dioxide A) Red blood cell. B) White blood cell. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Red blood cell. 12. The Pulmonary system circulates blood where? A) From the heart to the lungs and back. B) From the rest of the body and back to the heart. C) From the toes back up to the heart. D) From the brain down to the toes. Show Answer Correct Answer: A) From the heart to the lungs and back. 13. What is the definition for ingestion? A) Breaking down food into smaller nutrients. B) Getting rid of waste products. C) Getting food into our bodies. D) Getting nutrients into our bloodstream, so that our cells can use them. Show Answer Correct Answer: C) Getting food into our bodies. 14. The circulation of blood between heart and the rest of the body EXCEPT the lungs. A) Pulmanory circulation. B) Blood circulation. C) Systemic circulation. D) None of above. Show Answer Correct Answer: C) Systemic circulation. 15. Which artery brings oxygen poor blood to the lungs? A) Vena Cava. B) Pulmonary Artery. C) Pulmonary Vein. D) Aorta. Show Answer Correct Answer: B) Pulmonary Artery. 16. Deoxygenated means: A) Rich in oxygen. B) Poor in oxygen. Show Answer Correct Answer: B) Poor in oxygen. 17. This delivers blood to the organs and tissues in your body A) Capillaries. B) Veins. C) Arteries. D) Blood Vessels. Show Answer Correct Answer: D) Blood Vessels. 18. Which correctly describe white blood cells? A) No nucleus, irregularly shaped, more than red blood cells. B) Has nucleus, smaller than red blood cells, colorless. C) Has nucleus, fewer than red blood cells, larger than red blood cells. D) None of above. Show Answer Correct Answer: C) Has nucleus, fewer than red blood cells, larger than red blood cells. 19. How long does it take for one red blood cell to go round the body? A) 20 seconds. B) 20 minutes. C) 24 hours. D) 24 minutes. Show Answer Correct Answer: A) 20 seconds. 20. Tubular structures carrying blood through the body are called ..... A) Arteries. B) Blood vessels. C) Capillaries. D) Veins. Show Answer Correct Answer: B) Blood vessels. ← 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