This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 441 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 441 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This structure is known as the base of the heart A) Atrium. B) Ventricle. C) Mitral valve. D) Apex. Show Answer Correct Answer: D) Apex. 2. The main organ of respiratory system is A) Nose. B) Heart. C) Mouth. D) Lungs. Show Answer Correct Answer: D) Lungs. 3. Which of the following statements about blood vessels is FALSE? A) Veins have thicker, elastic muscular walls than arteries in order to withstand the pressure of blood as it moves through the body. B) Veins usually have valves to prevent the back flow of blood in the body. C) The largest artery in the body is the aorta. D) None of above. Show Answer Correct Answer: A) Veins have thicker, elastic muscular walls than arteries in order to withstand the pressure of blood as it moves through the body. 4. What are white blood cells responsible for? A) Fighting diseases and infections. B) Carrying oxygen to the body. C) Clot/Join together to stop bleeding. D) Carrying signals to the brain. Show Answer Correct Answer: A) Fighting diseases and infections. 5. Which of the blood cells plays a roll in fighting infections? A) Red Blood Cells. B) Plasma. C) White Blood Cells. D) Platelet. Show Answer Correct Answer: C) White Blood Cells. 6. The following characteristics of blood vessels are not true..... A) Has one valve near the heart. B) It is located near the surface of the body and looks greenish in color. C) If you are injured, the blood will gushed out. D) The direction of blood flow leaves the heart. Show Answer Correct Answer: B) It is located near the surface of the body and looks greenish in color. 7. What direction do the arteries carry the blood? A) Towards the heart. B) Towards the lungs. C) Away from the lungs. D) Away from the heart. Show Answer Correct Answer: D) Away from the heart. 8. Right atrium2. left atrium3. right ventricle4. left ventricle5. aortic semilunar valve6. aorta7. Tricuspid8. pulmonary artery9. pulmonary veins10. BicuspidWhat is the correct order for the flow of blood returning to the heart from the pulmonary circulation? A) 9, 1, 10, 3, 5, 6, 2, 7, 4, 8. B) 9, 2, 10, 4, 5, 6, 1, 7, 3, 8. C) 1, 7, 3, 8, 9, 2, 10, 4, 5, 6. D) 2, 7, 4, 8, 9, 1, 10, 3, 5, 6. Show Answer Correct Answer: B) 9, 2, 10, 4, 5, 6, 1, 7, 3, 8. 9. The right hand side of the heart is separatd from the left side with a muscular wall called the ..... A) Atria. B) Ventricles. C) Cardinal. D) Septum. Show Answer Correct Answer: D) Septum. 10. Vasoconstriction A) The wound is "corked" , or covered with sticky platelets. B) Blood vessels constrict (or "shrink" ) to slow blood flow at the site of injury. C) Formation of a Fibrin Blood Clot. D) None of above. Show Answer Correct Answer: B) Blood vessels constrict (or "shrink" ) to slow blood flow at the site of injury. 11. What type of circulatory system do insects have? A) Open circulatory system. B) Digestive circulatory system. C) Respiratory circulatory system. D) Closed circulatory system. Show Answer Correct Answer: A) Open circulatory system. 12. The system of blood vessels and organs that transports blood to all the cells in the body is called the A) Lungs. B) Cytoplasm. C) Respiratory system. D) Circulatory system. Show Answer Correct Answer: D) Circulatory system. 13. True or False:When you sleep, your body STOP working. (pumping blood, breathing oxygen, etc.) A) True. B) False. Show Answer Correct Answer: B) False. 14. Veins transport blood..... A) Away from the heart. B) Back to the heart. Show Answer Correct Answer: B) Back to the heart. 15. What part of the body carries blood from the heart to the body? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 16. The muscular system enables movement of materials inside the body and movement of the body itself. A) True. B) False. Show Answer Correct Answer: A) True. 17. What is inflammation of the heart called? A) Myocarditis. B) Edema. C) Ascites. D) Angina. Show Answer Correct Answer: A) Myocarditis. 18. What type of digestion takes place in the stomach? A) Mechanical. B) Chemical. C) Both mechanical and chemical. D) None of above. Show Answer Correct Answer: C) Both mechanical and chemical. 19. A carbohydrate; produced by photosynthesis; primary source of energy for some plant and animal cells A) Glucose. B) Oxygen. C) Fat. D) Hydrogen. Show Answer Correct Answer: A) Glucose. 20. Which is NOT a function of roots? A) Take in water. B) Take in nutrients. C) Anchor plant to ground. D) Make food. Show Answer Correct Answer: D) Make food. ← 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