This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 232 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 232 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Carry blood from the body back to the heart A) Veins. B) Capillaries. C) Arteries. D) Aorta. Show Answer Correct Answer: A) Veins. 2. The Mitral Valve is another name for which heart valve? A) Bicuspid. B) Tricuspid. C) Pulmonary. D) Aortic. Show Answer Correct Answer: A) Bicuspid. 3. Which carries blood away from the heart? A) Arteries. B) Veins. C) Capillaries. D) Heart. Show Answer Correct Answer: A) Arteries. 4. Which blood vessel is attached to the villi? A) Arteries. B) Veins. C) Capillaries. D) Heart. Show Answer Correct Answer: C) Capillaries. 5. What does fibrin do? A) Weaves a fishing net. B) Harms the body. C) Cleans blood cells. D) Helps clot blood. Show Answer Correct Answer: D) Helps clot blood. 6. Why is the circulatory system of mammals described as a double circulation? A) Blood flows firstly through arteries and then through veins. B) Blood flows through the heart twice on one complete circuit of the body. C) In the heart, blood flows firstly through atria and then through ventricles. D) The atria and the ventricles contract alternately. Show Answer Correct Answer: B) Blood flows through the heart twice on one complete circuit of the body. 7. When we talk about diffusion, does the word "concentration" mean? A) Focusing intensely on a problem. B) How much of something you find in a certain area. C) The speed particles are moving as they are heated. D) The type of substance that is added to water. Show Answer Correct Answer: B) How much of something you find in a certain area. 8. Loosely-fitting sac that protects the heart and anchors it to the surrounding tissue of the diaphragm and sternum. A) Serous pericardium. B) Atria. C) Fibrous pericardium. D) Ventricles. Show Answer Correct Answer: C) Fibrous pericardium. 9. Cells help in building immune system of the body A) RBC. B) Platelets. C) WBC. D) Plasma. Show Answer Correct Answer: C) WBC. 10. This formed element assists with clotting to repairing damaged blood vessels: A) Hemoglobin. B) Platelets. C) Leukocytes. D) Erythrocytes. Show Answer Correct Answer: B) Platelets. 11. The pulmonary artery A) The large artery that brings blood from the heart to the lungs. B) A flap of tissue that prevents blood from flowing backward. C) The part of the body where red blood cells are made. D) Prevents oxygen-rich and oxygen-poor blood from mixing in the heart. Show Answer Correct Answer: A) The large artery that brings blood from the heart to the lungs. 12. Which side of the heart carries deoxygenated blood? A) Bottom. B) Center. C) Left. D) Right. Show Answer Correct Answer: D) Right. 13. Which is important to heal the wound or cut? A) Plasma. B) Platelets. C) Red blood cell. D) White blood cell. Show Answer Correct Answer: B) Platelets. 14. Which of the following IS NOT a difference between arteries and veins? A) They have different thickness walls. B) They carry different types of blood. C) They carry blood in different directions to and from the heart. D) Arteries carry more blood than veins carry. Show Answer Correct Answer: D) Arteries carry more blood than veins carry. 15. As blood passes through capillaries in your small intestine it gains glucose and ..... and loses ..... A) Oxygen / carbon dioxide. B) Carbon dioxide / oxygen. Show Answer Correct Answer: B) Carbon dioxide / oxygen. 16. Small air-sacs in the lungs that increase surface area for more absorption of oxygen into your blood and look like bunches of grapes surrounded by capillaries. A) Platelets. B) Red blood cells. C) Alveoli. D) Trachea. Show Answer Correct Answer: C) Alveoli. 17. The muscles that pump blood throughout your body is? A) Skeletal muscle. B) Smooth muscle. C) Valentine muscle. D) Cardiac muscle. Show Answer Correct Answer: D) Cardiac muscle. 18. If the purpose of the right side of the heart is to pump blood to the lungs, then the purpose of the left side of the heart is to pump deoxygenated blood to the body. A) True. B) False. Show Answer Correct Answer: B) False. 19. Second step in the heart-beat process A) Systole. B) Diastole. C) Blood pressure. D) Arteriosclerosis. E) Arteriosclerosis. Show Answer Correct Answer: A) Systole. 20. It makes use of the hormones and chemical compounds that regulate the metabolic functions if the cells. A) Endocrine System. B) Immune System. C) Digestive System. D) Excretory System. Show Answer Correct Answer: A) Endocrine System. ← 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