This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 337 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 337 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The epicardium is the ..... layer of the heart. A) MIDDLE. B) INNERMOST. C) OUTSIDE. D) None of above. Show Answer Correct Answer: C) OUTSIDE. 2. Which one is NOT the function of simple squamous cell of the capillary? A) Permit gas exchange. B) Diffusion of substance. C) Active transport of materials. D) Secrete mucous. Show Answer Correct Answer: D) Secrete mucous. 3. Which of the following substances are transported by the blood? A) All of the above. B) O2. C) Glucose. D) Urea. Show Answer Correct Answer: A) All of the above. 4. Where does the blood take oxygen from? A) Lungs. B) Small intestine. C) Kidneys. D) None of above. Show Answer Correct Answer: A) Lungs. 5. The main job of the circulatory system is A) Photosynthesis. B) Transport of materials. C) Response. D) Support. Show Answer Correct Answer: B) Transport of materials. 6. Throat; Passageway for food to the esophagus and air to the larynx A) Nasal cavity. B) Pharynx. C) Alveoli. D) Cancer. Show Answer Correct Answer: B) Pharynx. 7. Blood vessels of the Heart:Send the blood from the right ventricle to the lungs A) Vena cava. B) Pulmonary artery. C) Interior vena cava. D) None of above. Show Answer Correct Answer: B) Pulmonary artery. 8. Which vessel is responsible for returning oxygen poor blood to the heart? A) Pulmonary vein. B) Pulmonary artery. C) Vena cava. D) Aorta. Show Answer Correct Answer: C) Vena cava. 9. Deoxygenated blood leaves the heart here. A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: C) Right ventricle. 10. Which organ of our body pumps blood throughout the body A) Liver. B) Heart. C) Kidney. D) All the above. Show Answer Correct Answer: B) Heart. 11. ..... are one of two large chambers that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs. A) Atrium. B) Valve. C) Ventricle. D) None of above. Show Answer Correct Answer: C) Ventricle. 12. Oxygenated means the blood has a lot of ..... A) Oxygen. B) Carbon Dioxide. Show Answer Correct Answer: A) Oxygen. 13. True or False:Breathing in particulates can damage your lungs permanently A) True. B) False. C) This is not an answer, don't click here. D) This is not an answer, don't click here. Show Answer Correct Answer: A) True. 14. Your heart (ventricles) pumps blood throughout your entire body through little tubes called ..... A) Veins. B) Arteries. C) Blood capillaries. D) No correct answer. Show Answer Correct Answer: B) Arteries. 15. The arteries carry blood at a A) High pressure. B) Low pressure. Show Answer Correct Answer: A) High pressure. 16. The center of the circulatory system: A) Arteries. B) Veins. C) Heart. D) Capillaries. Show Answer Correct Answer: C) Heart. 17. What is the function of the platelets? A) They give blood its color and they transport oxygen. B) Are less abundant and defend the organism against illnesses. C) Pieces of cells that stops the bleeding. Helps with the process of coagulation. D) None of above. Show Answer Correct Answer: C) Pieces of cells that stops the bleeding. Helps with the process of coagulation. 18. What does the word part Leuk/o mean? A) White. B) Red. C) Healthy. D) Cell. Show Answer Correct Answer: A) White. 19. The muscular layer is also called ..... A) Outer layer. B) Middle layer. C) Innermost layer. D) Heart wall. Show Answer Correct Answer: B) Middle layer. 20. There are 2 systems that are apart of the Circulatory System. They are the ..... and ..... A) Pulmonary and Systemic. B) Pulmonary and Digestive. C) Systemic and Excretory. D) Respiratory and Digestive. Show Answer Correct Answer: A) Pulmonary and Systemic. ← 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