This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 511 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 511 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A person having blood group A can receive blood from ..... A) B and O. B) AB. C) Only O. D) A and O. Show Answer Correct Answer: D) A and O. 2. Rene Laennec invented the stethoscope. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 3. Diffusion is the movement of molecules from an area of ..... concentration to an ..... concentration A) High, low. B) Low, high. C) Low, low. D) High, high. Show Answer Correct Answer: A) High, low. 4. The process that refers to the stopping of blood flow (or blood loss) due to vessel damage is called A) Hemostasis. B) Homeostasis. C) Coagulation. D) Agglutination. Show Answer Correct Answer: A) Hemostasis. 5. Aiden, Arjun, and David are learning about the human body in their biology class. Their teacher asks, 'Which cells in our blood are responsible for carrying oxygen throughout our bodies?' A) White blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: C) Red blood cells. 6. From which bloodvessel does the liver gets oxygen? A) Hepatic vein. B) Portal vein. C) Hepatic artery. D) Aorta. Show Answer Correct Answer: C) Hepatic artery. 7. Which of these is required for cellular respiration? A) Oxygen gas (O2). B) Carbon dioxide (CO2). Show Answer Correct Answer: A) Oxygen gas (O2). 8. The function of red blood cells is A) To help the blood to clot. B) To transport oxygen. C) To protect the body against infection. D) None of above. Show Answer Correct Answer: B) To transport oxygen. 9. Veins are surrounded by ..... which contract and have ..... running along them which open and close A) Valves, muscles. B) Arteries, muscles. C) Muscles, valves. D) Tissues, valves. Show Answer Correct Answer: C) Muscles, valves. 10. Every move you make..... A) Every breath you take. B) Is from a muscle. C) I'll be watching you. D) None of above. Show Answer Correct Answer: B) Is from a muscle. 11. What protein are platelets attracted to in the skin? A) Hemoglobin. B) Collagen. Show Answer Correct Answer: B) Collagen. 12. Veins and arteries are important to the circulatory system. What is the difference between the two? A) Arteries carry blood away from the heart, Veins carry the blood back to the heart. B) Arteries carry blood to the heart, Veins carry the blood away from the heart. C) The veins carry bright red blood, arteries carry dark red blood. D) All of the above. Show Answer Correct Answer: A) Arteries carry blood away from the heart, Veins carry the blood back to the heart. 13. Which of the following does not have valves A) Heart. B) Arteries. C) Capillaries. D) Veins. Show Answer Correct Answer: B) Arteries. 14. The Arteries' walls are ..... A) Thick. B) Thin. C) Small. D) None of above. Show Answer Correct Answer: A) Thick. 15. The respiratory system is responsible for bringing certain molecules into and out of the body, much like the cell organelle which allows certain elements into and out of the cell. Which organelle is this? A) Cytoplasm. B) Cell membrane. C) Cell wall. D) Mitichondria. Show Answer Correct Answer: B) Cell membrane. 16. They are the collecting chambers of the heart. A) Left and Right Atria. B) Left Atria. C) Right Atria. D) Left and Right Ventricles. Show Answer Correct Answer: A) Left and Right Atria. 17. Carry blood toward heart A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 18. When the heart muscle is contracted it is said to be in A) Myocardium. B) Diastole. C) Systole. D) Cardiac arrest. Show Answer Correct Answer: C) Systole. 19. The ..... separate the right atrium and the right ventricle A) Semilunar valve. B) Tricuspid valve. C) Bicuspid valve. D) None of above. Show Answer Correct Answer: B) Tricuspid valve. 20. The front side of the heart is also known as ..... A) Dorsal. B) Ventral. Show Answer Correct Answer: B) Ventral. ← 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