This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 204 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 204 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of capillaries? A) Carry deoxygenated blood back to the heart. B) Carry pumped blood away from the heart. C) Supply cells with oxygen and nutrients. D) Remove waste products. Show Answer Correct Answer: C) Supply cells with oxygen and nutrients. 2. Known as the pumping station of our body A) Blood. B) Heart. C) Liver. D) All of the above. Show Answer Correct Answer: B) Heart. 3. You absorb the nutrients your body needs during ..... A) Digestion. B) Respiration. C) Excretion. D) None of above. Show Answer Correct Answer: A) Digestion. 4. What is the affect of salt water on the the height of blades of grass?What is the independent variable in the above question? A) Salt water. B) Height. C) Average. D) Affect. Show Answer Correct Answer: A) Salt water. 5. The blood vessels with the highest pressure are: A) Veins. B) Capillaries. C) Atria. D) Arteries. Show Answer Correct Answer: D) Arteries. 6. During exercising the rate of heartbeats increases to ..... A) Supply the body cells with oxygen. B) Supply the body cells with digested food. C) Produce more energy. D) All the previous. Show Answer Correct Answer: D) All the previous. 7. The primary purpose of cellular respiration is to produce ..... A) Energy. B) Sugar. C) Glucose. D) Heat. Show Answer Correct Answer: A) Energy. 8. The blood vessels that supply oxygen to the heart's tissues. A) Cornary artery. B) Apex. C) Pulmonary artery. D) Vena cava. Show Answer Correct Answer: A) Cornary artery. 9. Lizzy had test scores of:72, 94, 108, 60 What is the RANGE of her test scores? A) 12. B) 72. C) 48. D) 98. Show Answer Correct Answer: C) 48. 10. Blood in the left atrium: A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 11. What are red blood cells? A) Fight germs as a part of the immune system. B) Form of scabs to prevent bleeding. C) Carry oxygen to the body. D) All of the above. Show Answer Correct Answer: C) Carry oxygen to the body. 12. Blood is mainly made up of A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 13. What is the function of the valves in the heart? A) To separate the left and right side of the heart. B) To refill with blood while the atria contract. C) To pump blood out of the heart to the body and lungs. D) To prevent blood from flowing backward. Show Answer Correct Answer: D) To prevent blood from flowing backward. 14. In the heart, blood always enters the ..... first and the ..... second. A) Atrium, ventricle. B) Ventricle, atrium. C) Doesn't matter as long as the blood is pumped. D) None of above. Show Answer Correct Answer: A) Atrium, ventricle. 15. Select the correct order for these events. A) Atrial systole, ventricular systole, atrial and ventricular diastole. B) Ventricular systole, atrial systole, atrial and ventricular diastole. C) Atrial diastole, ventricular diastole atrial and ventricular systole. D) Ventricular diastole, atrial diastole, atrial and ventricular systole. Show Answer Correct Answer: A) Atrial systole, ventricular systole, atrial and ventricular diastole. 16. What does the de-oxygenated blood cell pickup in the lungs? A) McDonalds. B) A chippy dinner. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: C) Oxygen. 17. This blood vessel carries oxygen poor blood from the lower half of the body back to the heart: A) Super vena cava. B) Inferior vena cava. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: B) Inferior vena cava. 18. Why are there valves in long veins? A) To prevent backflow of the blood. B) To pump the blood. C) To provide oxygen to the blood. D) To provide carbon dioxide to the blood. Show Answer Correct Answer: A) To prevent backflow of the blood. 19. Which of the following componets of blood do we have more of? A) Platelets. B) White Blood Cells. C) Red Blood Cells. D) Bone Marrow. Show Answer Correct Answer: C) Red Blood Cells. 20. Circulatory System- A) Protects from diseases. B) A system ofblood vessels and organs thattransports blood to all the cells inthe body. C) Helps multicellular organisms get the nutrients and materials they need to other parts of the organism. D) ALL of these things!. Show Answer Correct Answer: D) ALL of these things!. ← 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