This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 345 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 345 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All of these are blood vessels except A) Lungs. B) Arteries. C) Capillaries. D) Veins. Show Answer Correct Answer: A) Lungs. 2. What are the two lower chambers of the heart? A) Atria. B) Arteries. C) Ventricles. D) Veins. Show Answer Correct Answer: C) Ventricles. 3. The circulatory system interacts with the excretory system by A) Carrying absorbed nutrients all around the body. B) Carrying oxygen and carbon dioxide around the body. C) Delivering hormones all around the body. D) Carrying wastes to the kidneys to be filtered out. Show Answer Correct Answer: D) Carrying wastes to the kidneys to be filtered out. 4. What is the link between cardiovascular fitness and cardiac output? A) The greater the cardiac output, the more blood and oxygen can be transported to the working muscles, improving cardiovascular fitness. B) The greater the cardiac output, the less blood and oxygen can be transported to the working muscles, improving cardiovascular fitness. Show Answer Correct Answer: A) The greater the cardiac output, the more blood and oxygen can be transported to the working muscles, improving cardiovascular fitness. 5. The blood vessel that carries oxygenated blood back to the heart A) Vena cava. B) Pulmonary vein. C) Pulmonary artery. D) Hepatic portal vein. Show Answer Correct Answer: B) Pulmonary vein. 6. Name the following:The system in which blood flows from right side of the heart to the lungs and then returns to the left side of the heart A) Pulmonary Circulation. B) Systemic Circulation. C) Double Circulation. D) None. Show Answer Correct Answer: A) Pulmonary Circulation. 7. The excretory system eliminates ..... A) Air. B) Nutrients. C) Waste. D) None of above. Show Answer Correct Answer: C) Waste. 8. This type of vessel carries blood TO the heart: A) Vein. B) Nerve. C) Muscle. D) Artery. Show Answer Correct Answer: A) Vein. 9. What is #6? A) Lung. B) Bronchi. C) Diaphragm. D) Trachea. Show Answer Correct Answer: C) Diaphragm. 10. ''a" mean? A) Double. B) Both. C) Two. D) Without. Show Answer Correct Answer: D) Without. 11. Oxygenated blood is mainly found in veins. A) True. B) False. Show Answer Correct Answer: B) False. 12. The liquid part of blood is A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 13. Why is it important for blood to remove waste from cells? A) If waste builds up, cells can't perform their function. B) If waste builds up, your blood gets dirty. C) If waste builds up, you'll be too heavy to move. D) If waste builds up, you can't find the remote. Show Answer Correct Answer: A) If waste builds up, cells can't perform their function. 14. The bottom of the heart at the end of the ventricles is called the A) Apex. B) Base. C) Bottom end. D) Underneath side. Show Answer Correct Answer: A) Apex. 15. Which of the following cells are responsible for fighting diseases? A) White Blood Cells. B) Red Blood Cells. Show Answer Correct Answer: A) White Blood Cells. 16. Ana measured her heart rate when she was resting. It was 80 beats per minute. Immediately after carrying out an activity, she measured her heart rate again. It was 125 beats per minute. Which of the following activities did Ana carry out? A) Switching on the stove. B) Folding a paper boat. C) Playing badminton with her brother. D) Sketching a picture. Show Answer Correct Answer: C) Playing badminton with her brother. 17. What type of antigens can be found on the surface of RBC's when someone has blood type AB? A) A. B) B. C) AB. D) None. Show Answer Correct Answer: C) AB. 18. Which cell releases antibodies to the blood? A) Phagocytes. B) Lymphocytes. C) Platelets. D) None of above. Show Answer Correct Answer: B) Lymphocytes. 19. What percentage of the human body is water? A) 50-60%. B) 60-70%. C) 70-80%. D) 80-90%. Show Answer Correct Answer: B) 60-70%. 20. The time taken for one cardiac cycle is A) 0. 55 seconds. B) 0.65 seconds. C) 0.75 seconds. D) 0.85 seconds. Show Answer Correct Answer: D) 0.85 seconds. ← 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