This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 505 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 505 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The superior vena cava A) Is part of the pulmonary circuit. B) Brings blood away from the heart. C) Is an artery. D) Brings blood towards the heart. Show Answer Correct Answer: D) Brings blood towards the heart. 2. These blood vessels are responsible for carrying deoxygenated blood TOWARD the heart. A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Veins. 3. Bone cells need nutrients. Which two systems get nutrients to bone cells? A) The digestive system and the circulatory system. B) The circulatory system and the respiratory system. C) The respiratory system and the skeletal system. D) The skeletal system and the digestive system. Show Answer Correct Answer: A) The digestive system and the circulatory system. 4. The muscle in the heart is called: A) Systole. B) Septum. C) Myocardium. D) Aorta. Show Answer Correct Answer: C) Myocardium. 5. What type of blood do veins carry? A) Oxgenated. B) Deoxygenated. C) They don't carry blood. D) None of above. Show Answer Correct Answer: B) Deoxygenated. 6. The arteries carry the blood to a different blood vessel called ..... Here substances (like oxygen) are released into organ tissues. A) Capillaries. B) Veins. C) Artery ends. D) Heart. Show Answer Correct Answer: A) Capillaries. 7. Deoxygenated blood carried from all the body organ back to the right atrium of the heart through ..... A) Pulmonary artery. B) Pulmonary vein. C) Vena cava. D) Aorta. Show Answer Correct Answer: C) Vena cava. 8. A heart attack can occur if blood flow through an artery on the ..... is blocked. A) Brain. B) Heart. C) Kidneys. D) Lungs. Show Answer Correct Answer: B) Heart. 9. Scientific study of blood serum and other bodily fluids A) Hematology. B) Serology. C) Homeology. D) None of above. Show Answer Correct Answer: B) Serology. 10. Happens when part of the heart muscle dies or is damaged. A) Hypertension. B) Atherosclerosis. C) Heart attack. D) None of above. Show Answer Correct Answer: C) Heart attack. 11. What type of protein is haemoglobin? A) Primary. B) Secondary. C) Tertiary. D) Quaternary. Show Answer Correct Answer: D) Quaternary. 12. ..... CONTAINS A RED PIGMENT. A) BLOOD CELLS. B) RBCs. C) WBCs. D) PLATELETS. Show Answer Correct Answer: B) RBCs. 13. What colour is oxygenated blood? A) Purple. B) Red. C) Blue. D) White. Show Answer Correct Answer: B) Red. 14. Babies are born with ..... A) Red bone marrow. B) Yellow bone marrow. C) Green bone marrow. D) Blue bone marrow. Show Answer Correct Answer: A) Red bone marrow. 15. Bicuspidalis A) Heart wall (3). B) Heart room. C) Heart valves (3). D) Cardiac nerves (3). Show Answer Correct Answer: C) Heart valves (3). 16. Deoxygenated blood is rich in what? A) Oxygen. B) Carbon dioxide. Show Answer Correct Answer: B) Carbon dioxide. 17. The branches of the abdominal aorta that supply the kidneys are: A) Renal artery. B) Iliac artery. C) Hepatic artery. D) Subclavian artery. Show Answer Correct Answer: A) Renal artery. 18. Two upper chamber of the heart is A) A-Auricles. B) B-Atrium. C) Both A & B. D) None. Show Answer Correct Answer: C) Both A & B. 19. Which one from the following close the wound ..... A) Platelets. B) White blood cells. C) Red blood cells. D) All of the above are correct. Show Answer Correct Answer: A) Platelets. 20. What is the thick muscular wall that separates the left side of the heart from the right side? A) Pacemaker. B) Septum. C) Valve. D) None of above. Show Answer Correct Answer: B) Septum. ← 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