This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 601 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 601 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do you call the muscular wall that separates the heart chambers into partition? A) Artery. B) Septum. C) Vein. D) Valve. Show Answer Correct Answer: B) Septum. 2. The part of the blood that causes clotting. A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 3. What does an "exchange of gases" mean? A) It means that gases are apart of everything. B) It means that orange juice is an upside down milkshake with a missing tail. C) It means that humans and plants trade gases back and forth. D) It means that carbon in apart of all living things. Show Answer Correct Answer: C) It means that humans and plants trade gases back and forth. 4. What is the total length of blood vessels in a human body? A) 6 miles. B) 60 miles. C) 6, 000 miles. D) 60, 000 miles. Show Answer Correct Answer: D) 60, 000 miles. 5. ..... pumps blood to all body parts A) Heart. B) Liver. C) Aorta. D) Pulmonary artery. Show Answer Correct Answer: A) Heart. 6. Helps blood to clot to prevent excess blood loss A) Red blood cells. B) Veins. C) Platelets. D) None of above. Show Answer Correct Answer: C) Platelets. 7. Which best explains why capillary walls are so thin? A) Because they do not need to pump blood. B) Because they are found only in the smallest organs and tissues. C) Because they maximize diffusion of nutrients. D) Because blood only travels through them slowly. Show Answer Correct Answer: C) Because they maximize diffusion of nutrients. 8. ..... are tubes that carry blood back to the heart. A) Arteries. B) Capillaries. C) Veins. D) Nerves. Show Answer Correct Answer: C) Veins. 9. Which are the blood vessels that carry blood to the heart? A) Veins. B) Arteries. C) Capillaries. D) Lymph nodes. Show Answer Correct Answer: A) Veins. 10. Recall the name of receiving chambers of the heart. A) The atrium. B) The sinoatrial node. C) The ventricle. D) The septum. Show Answer Correct Answer: A) The atrium. 11. Which of the following processes causes the exchange of carbon dioxide in the blood? A) Circulation. B) Diffusion. C) Inhalation. D) Respiration. Show Answer Correct Answer: B) Diffusion. 12. What is deoxygenated blood? A) Blood with very little oxygen in. B) Blood with lots of oxygen in. C) Blood with very few platelets in. D) None of above. Show Answer Correct Answer: A) Blood with very little oxygen in. 13. Where does the right ventricle send blood during systole? A) Aorta. B) Superior vena cava. C) Left ventricle. D) Pulmonary artery. Show Answer Correct Answer: D) Pulmonary artery. 14. 60% of the body is made of water A) True. B) False. Show Answer Correct Answer: A) True. 15. They are tiny blood vessels that connect the arteries and veins A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 16. Are tubes that serve as passageways for blood to reach the different parts of the body. A) Valve. B) Blood. C) Blood vessels. D) Ventricles. Show Answer Correct Answer: C) Blood vessels. 17. Divided into two groups, namely granulocytes and agranulocytes. This includes aspects..... A) Erythrocytes (Red blood cells). B) Leukocytes (White blood cells). C) Blood plasma. D) Thrombocytes (Blood clots). Show Answer Correct Answer: B) Leukocytes (White blood cells). 18. What makes the "lub, dub" sound of a beating heart? A) The ventricles contracting. B) The atria contracting. C) The opening and closing of heart valves. D) None of the above. Show Answer Correct Answer: C) The opening and closing of heart valves. 19. This is synonymous with epicardium A) Parietal pericardium. B) Mesothelial pericardium. C) Visceral pericardium. D) Pericardial cavity. Show Answer Correct Answer: C) Visceral pericardium. 20. Myocardial infarction is another name for A) Heart attack. B) Heart cancer. C) Enlarged heart. D) Stroke. Show Answer Correct Answer: A) Heart attack. ← 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