This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 629 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 629 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What organ is responsible for pumping blood? A) Kidneys. B) Heart. C) Head. D) Liver. Show Answer Correct Answer: B) Heart. 2. What takes up 55% of the blood and contains antibodies A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: A) Plasma. 3. The ..... is a muscular organ that pumps blood into the blood vessels. A) Artery. B) Heart. Show Answer Correct Answer: B) Heart. 4. The human cardivascular system has two loops. Which loop takes blood from the heart to the body tissues and back? A) Pulmonary Loop. B) Coronary Loop. C) Systemic Loop. D) Systolic Loop. Show Answer Correct Answer: C) Systemic Loop. 5. What kind of muscle is found in the heart? A) Cardiac muscle. B) Voluntary muscle. C) Smooth muscle. D) Skeletal muscle. Show Answer Correct Answer: A) Cardiac muscle. 6. Cells which is carry oxygen A) Red blood cells. B) White blood cells. C) Blood platelets. D) Plasma. Show Answer Correct Answer: A) Red blood cells. 7. Which type of blood vessel moves blood AWAY from the heart? A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: C) Arteries. 8. Name the artery that carries blood from the left ventricle to the body A) Vena cava. B) Aorta. C) Pulmonary Vein. D) Pulmonary artery. Show Answer Correct Answer: B) Aorta. 9. What part of blood is responsible for carrying oxygen and carbon dioxide to or from body cells? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Red Blood Cells. 10. Long periods of standing and pregnancy are factors that can lead to: A) Aneurysm. B) Coronary artery disease. C) Varicose veins. D) Peripheral vascular disease. Show Answer Correct Answer: C) Varicose veins. 11. Circulation that occurs between the heart and the lungs A) Pulmonary Circulation. B) Oxygen-Poor. C) Systemic Circulation. D) Oxygen-Rich. Show Answer Correct Answer: A) Pulmonary Circulation. 12. ..... is the fluid portion of the blood A) Plasma. B) White blood cells. C) Platelets. D) Red blood cells. Show Answer Correct Answer: A) Plasma. 13. What is the smallest type of cell in the blood called? A) Leucocytes. B) Erythrocytes. C) Lymphocytes. D) Monocytes. Show Answer Correct Answer: B) Erythrocytes. 14. At the moment I ..... (revise) English grammar. A) Am revising. B) Revise. C) Was revising. D) Revises. Show Answer Correct Answer: A) Am revising. 15. Which chamber of the heart is the area with red blood? A) Upper right room, upper left room. B) Top left room, bottom left room. C) Top left room, bottom right room. D) Top right room, bottom left. Show Answer Correct Answer: B) Top left room, bottom left room. 16. Most veins carry oxygenated blood. A) True. B) False. Show Answer Correct Answer: B) False. 17. Chamber of the heart that pumps deoxygenated blood to the lungs A) Left atrium. B) Left ventricle. C) Right atrium. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 18. Which of the following is NOT a system in the body? A) Skeletal. B) Nervous. C) Solar. D) Digestive. Show Answer Correct Answer: C) Solar. 19. Narrowing of the arteries from plaque/cholesterol buildup: A) Myocardial infarction. B) Arrhythmia. C) Atrial fibrillation. D) Atherosclerosis. Show Answer Correct Answer: D) Atherosclerosis. 20. What is #2? A) Aorta. B) Vena Cava. C) Left Ventricle. D) Right Ventricle. Show Answer Correct Answer: A) Aorta. ← 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