This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 239 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 239 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What instrument is used to listen to a heartbeat? A) Stereoscopic. B) Stereophonic. C) Stethoscope. D) None of above. Show Answer Correct Answer: C) Stethoscope. 2. What heart chamber is this? A) Left atrium. B) Right atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: B) Right atrium. 3. It is responsible for the distribution of nutrients, oxygen, and other substances to the cells. A) Skeletal System. B) Muscular System. C) Circulatory System. D) Nervous System. Show Answer Correct Answer: C) Circulatory System. 4. How long do red blood cells last for? A) 4 months. B) 20 seconds. C) 20 days. D) 4 weeks. Show Answer Correct Answer: A) 4 months. 5. Which blood vessels move blood AWAY from the heart. A) Arteries. B) Veins. C) Capillaries. D) Ventricles. Show Answer Correct Answer: A) Arteries. 6. Recall what fluid contains cells that transport food and oxygen around the body. A) Blood. B) Water. C) Gastric Juice. D) Bile. Show Answer Correct Answer: A) Blood. 7. This organ is muscular, hollow and is the pump of the human body. A) Brain. B) Lungs. C) Spleen. D) Heart. Show Answer Correct Answer: D) Heart. 8. Every ..... seconds, someone in the U.S. needs a blood transfusion. A) 2. B) 30. C) 60. D) 100. Show Answer Correct Answer: A) 2. 9. When blood leaves the left ventricle where is it going? A) The whole body. B) Lungs. C) Spleen. D) Kidneys. Show Answer Correct Answer: A) The whole body. 10. Tissue that brings oxygen and nutrients to the cells of the body and removes wastes from the cells of the body A) Blood. B) Heart. C) Lungs. D) Liver. Show Answer Correct Answer: A) Blood. 11. Which system works with our circulatory system that allows our hearts to beat and vessels to pump blood without our brains having to tell our bodies to do this? A) Skeletal. B) Muscular. C) Digestive. D) Nervous. Show Answer Correct Answer: B) Muscular. 12. Why is the left side of the heart thicker than the right? A) Because it has to pump blood to the whole body, not just the lungs. B) Because it recieves highly pressurised blood from the lungs. C) Because it is an evolutionary trait that has no purpose. D) None of above. Show Answer Correct Answer: A) Because it has to pump blood to the whole body, not just the lungs. 13. Where are blood cells produced in the body? A) The heart. B) Bone marrow. C) The brain. D) In the blood. Show Answer Correct Answer: B) Bone marrow. 14. The organ where food doesn't pass through but it does break down fats and detoxify poisons? A) Liver. B) Small intestine. C) Stomach. D) Large intestine. Show Answer Correct Answer: A) Liver. 15. How much blood (in quarts) does adults have in their body? and does it contains tissue? A) 4-6 quarts in adults and it does contain tissues. B) 9-10 quarts in adults and no it does not contains tissues. C) 4-6 quarts in adults and no it does not contains tissues. D) 9-10 quarts in adults and no it does contains tissues. Show Answer Correct Answer: A) 4-6 quarts in adults and it does contain tissues. 16. The functions of the blood are, except ..... A) Collect digested food from the small intestine. B) Collect oxygen from the lungs. C) Leave carbon dioxide at the lungs. D) Breakdown nutrient. Show Answer Correct Answer: D) Breakdown nutrient. 17. What is the role of the circulatory system? A) Distribution of oxygen, hormones, and minerals. B) Communication between neurons. C) Excretion of waste. D) Reabsorption of water and minerals. Show Answer Correct Answer: A) Distribution of oxygen, hormones, and minerals. 18. The circulation process takes about A) 10 seconds. B) 23 seconds. C) 2 minutes. D) 1 hour. Show Answer Correct Answer: B) 23 seconds. 19. The heart is exactly at the center of the human body A) True. B) False. Show Answer Correct Answer: B) False. 20. Which artery in humans carries deoxygenated blood? A) Pulmonary artery. B) Renal artery. C) Aorta. D) Portal vein. Show Answer Correct Answer: A) Pulmonary artery. ← 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