This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 416 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 416 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a normal resting heart rate/pulse? A) 60-100 bpm. B) 120-80 bpm. C) 95-100 bpm. D) 0-50 bpm. Show Answer Correct Answer: A) 60-100 bpm. 2. When you hear the second heat sound "dub" what is happening in the heart? A) The atrioventricular valves (AV) close. B) The atrioventricular valves (AV) open. C) The semilunar valves (SL) close. D) The semilunar valves (SL) open. Show Answer Correct Answer: C) The semilunar valves (SL) close. 3. Thick blood vessels in the body. A) Arteries. B) Veins. C) Blood capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 4. What is the main function of arteries? A) A. Carry oxygenated blood from the heart to all body parts. B) Carry de-oxygenated blood from the heart to all body parts. C) Carry oxygenated blood to the heart from all body parts. D) Carry de-oxygenated blood to the heart from all body parts. Show Answer Correct Answer: A) A. Carry oxygenated blood from the heart to all body parts. 5. The outside layer of the heart A) Endocardium. B) Myocardium. C) Epicardium. D) Left ventricle. Show Answer Correct Answer: C) Epicardium. 6. What does a blood vessel do? A) Produce blood. B) Transport/circulate blood. C) Store blood. D) None of above. Show Answer Correct Answer: B) Transport/circulate blood. 7. What type of circulation moves blood to the heart and lungs? A) Pulmonary. B) Systemic. C) Coronary. D) None of above. Show Answer Correct Answer: A) Pulmonary. 8. Why does blood go to the lungs before it goes to the rest of the body? A) To make energy. B) To make sugar. C) To collect oxygen. D) None of above. Show Answer Correct Answer: C) To collect oxygen. 9. Blood vessels are known as veins and ..... A) Lungs. B) Roads. C) Arteries. D) Atriums. Show Answer Correct Answer: C) Arteries. 10. Which of the following are considered the main components of the circulatory system? A) Blood, Heart, Veins, Arteries, Capillaries. B) Blood, Heart, Lungs, Stomach, Brain. C) Blood, Heart, Muscles, Bones, Skin. D) Blood, Heart, Kidneys, Liver, Pancreas. Show Answer Correct Answer: A) Blood, Heart, Veins, Arteries, Capillaries. 11. In the inner ear there is a fluid filled structure which passes sound vibrations to tiny hairs attached to nerves. This structure is the A) Colon. B) Cochlea. C) Carotid artery. D) Ear drum. Show Answer Correct Answer: B) Cochlea. 12. What part of the heart pumps blood out to the lungs? A) Left ventricle. B) Right ventricle. C) Left atrium. D) Right atrium. Show Answer Correct Answer: B) Right ventricle. 13. What can arteriosclerosis lead to? A) Hypertension. B) Heart attack. C) Lung disease. D) Kidney failure. Show Answer Correct Answer: B) Heart attack. 14. Blood in the pulmonary vein is A) High in oxygen, low in carbon dioxide. B) High in oxygen, high in carbon dioxide. C) Low in oxygen, low in carbon dioxide. D) Low in oxygen, high in carbon dioxide. Show Answer Correct Answer: A) High in oxygen, low in carbon dioxide. 15. When you run, your heart beats quickly because? A) Your body tired. B) Your body needs more oxygen. C) Your body needs more food. D) Your body needs more water. Show Answer Correct Answer: B) Your body needs more oxygen. 16. Which type of blood cell protects the body from disease and germs? A) Red blood cells. B) White blood cells. C) Blue blood cells. D) Green blood cells. Show Answer Correct Answer: B) White blood cells. 17. What is manufactured by the body to help protect you from disease? A) Antibodies. B) Arteries. C) Cardiac muscle. D) Oxygen. E) Platelets. Show Answer Correct Answer: A) Antibodies. 18. What is Cardiac Cycle? A) The lub-dub sound is known as Cardiac Cycle. B) The Contraction is known as Cardiac Cycle. C) The sequence of events which takes place during one complete heartbeat. D) The relaxation is known as Cardiac Cycle. Show Answer Correct Answer: C) The sequence of events which takes place during one complete heartbeat. 19. Where is "blue" blood going? A) Body. B) Lungs. Show Answer Correct Answer: B) Lungs. 20. How do you say "get rid of something" in Spanish? A) Try something. B) Get rid of something. C) Visit something. D) None of above. Show Answer Correct Answer: B) Get rid of something. ← 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