This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 297 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 297 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. From Station 4:The Red Blood cell has a primary function of ..... A) Fighting infection. B) Transporting oxygen. C) Making bone marrow. D) Aiding in digestion. Show Answer Correct Answer: B) Transporting oxygen. 2. ..... carry the blood away from the heart and ..... carry blood to the heart. A) Neurons; Arteries. B) Neurons; Veins. C) Arteries; veins. D) Veins; arteries. Show Answer Correct Answer: C) Arteries; veins. 3. What is the name of the iron-containing protein that gives color to red blood vessels? Hemocyanin Pyrite Hemoglobin Myoglobin A) Myoglobina. B) Hemoglobin. C) Hemocitina. D) Pilvia. Show Answer Correct Answer: B) Hemoglobin. 4. What is the Circulatory system mostly made up of? A) Blood Vessels. B) Arteries. C) Veins. D) Blood. Show Answer Correct Answer: A) Blood Vessels. 5. These carry blood back to the heart A) Capillaries. B) Blood. C) Veins. D) Arteries. Show Answer Correct Answer: C) Veins. 6. Is a specialized muscular organ located in the middle of the chest with its apex tilted to the left side? A) Heart. B) Lungs. C) Veins. D) Liver. Show Answer Correct Answer: A) Heart. 7. When starch is present iodine turns ..... A) Purple. B) Blue-black. C) Orange. D) Brick red. Show Answer Correct Answer: B) Blue-black. 8. The circulatory system works with the ..... system to help our body obtain energy from the food we eat A) Respiratory. B) Digestive. C) Skeletal. D) Nervous. Show Answer Correct Answer: B) Digestive. 9. The part of blood that kills invaders like bacteria and viruses A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 10. Identify the type of blood vessel described:A blood vessel that carries oxygenated blood through its muscular walls. A) Vein. B) Artery. C) Capillary. D) None of above. Show Answer Correct Answer: B) Artery. 11. Select the structure and explanation of how it contributes to the way the human system functions. A) Heart replaces carbon dioxide with oxygen. B) Blood vessels transport nutrients and oxygen. C) Heart replaces oxygen with carbon dioxide. D) Blood vessels pump heart rate. Show Answer Correct Answer: B) Blood vessels transport nutrients and oxygen. 12. The shape of the RBC allows for a greater surface area so the cell can A) Fit through capillaries easily. B) Exchange gasses more quickly. C) Hold additional hemoglobin. D) Reproduce quicker. Show Answer Correct Answer: B) Exchange gasses more quickly. 13. The organ of the circulatory system that pumps blood is ..... A) Heart. B) Blood. C) Blood vessels. D) Lymph nodes. Show Answer Correct Answer: A) Heart. 14. Large multicellular organisms have a large TSA/V ratio. A) True. B) False. Show Answer Correct Answer: B) False. 15. This structure prevents the backwards movement of blood: A) Ventricle. B) Valve. C) Atrium. D) Vein. Show Answer Correct Answer: B) Valve. 16. BONUS QUESTION:About how many times does the heart beat in a day? A) 10, 000. B) 50, 000. C) 100, 000. D) 500, 000. Show Answer Correct Answer: C) 100, 000. 17. Type of cell that defends the body against infectious disease: A) Thrombocyte. B) Leukocyte. C) Erythrocyte. D) Red blood cell. Show Answer Correct Answer: B) Leukocyte. 18. What is the left ventricle? A) Makes your blood move fatser. B) Pumps oxygen-rich blood out to the body through the aorta. C) Brings oxygen-rich blood from lungs to heart. D) The smaller ventricle. Show Answer Correct Answer: B) Pumps oxygen-rich blood out to the body through the aorta. 19. What vocabulary word means a blood cell that fights disease? A) Plasma. B) Platelets. C) Red blood cell. D) White blood cell. Show Answer Correct Answer: D) White blood cell. 20. Heart conditions that include diseased vessels, structural problems, and blood clots A) Vessel Atrophy. B) Heart Disease. C) Heart Function Failure. D) Cardiac Muscle Tissue. Show Answer Correct Answer: B) Heart Disease. ← 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