This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 400 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 400 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Pumping chambers A) Ventricles. B) Septum. C) Atrium. D) Superior and inferior vena cava. E) Tricuspid valve. Show Answer Correct Answer: A) Ventricles. 2. 9a. Red Blood Cells- A) Carry oxygen and nutrients throughout our body. B) Help fight bacteria, viruses and other invaders of the body. C) Clots the blood and creates scabs when you cut yourself. D) None of above. Show Answer Correct Answer: A) Carry oxygen and nutrients throughout our body. 3. True or False:Cappilaries exchange blood A) True. B) False. Show Answer Correct Answer: A) True. 4. The ..... in the heart are responsible for maintaining the figure 8 circulatory pathway to ensure blood travels to tissues appropriately. A) Septum. B) Valves. C) Apex. D) Capillaries. Show Answer Correct Answer: B) Valves. 5. The liver produces: A) Bile. B) Ptyalin. C) Hydrochloric acid. D) None of above. Show Answer Correct Answer: A) Bile. 6. Which are the tiniest blood vessels? A) Capillaries. B) Arteries. C) Veins. D) None of above. Show Answer Correct Answer: A) Capillaries. 7. The Circulatory system is responsible for transporting materials such as ....., water, and oxygen to the body cells. A) Nutrients. B) Cell sap. Show Answer Correct Answer: A) Nutrients. 8. To enable exhalation, the diaphragm A) Contracts. B) Relaxes. Show Answer Correct Answer: B) Relaxes. 9. What is the correct order of blood flow? A) Arteries to veins to capillaries. B) Arteries to capillaries to veins. C) Capillaries to arteries to veins. D) There's No Such Thing. Show Answer Correct Answer: B) Arteries to capillaries to veins. 10. The human heart is made up of how many chambers? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 11. If you were in the right atrium, what structure would you pass through next? A) Left atrium. B) Pulmonary veins. C) Tricuspid valve. D) Bicuspid valve. Show Answer Correct Answer: C) Tricuspid valve. 12. The circulatory system's job is to carry ..... and ..... to all parts of your body. A) Gas, cells. B) Cells, blood. C) Oxygen, nutrients. D) Platelets, white blood cells. Show Answer Correct Answer: C) Oxygen, nutrients. 13. What is the function of the cardiovascular system A) Carries oxygen and nutrients to body. B) Carries waste to excretory system. C) Defense against disease. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. Which of the following is NOT involve in the process of circulation? A) Blood. B) Lungs. C) Heart. D) Blood vessels. Show Answer Correct Answer: B) Lungs. 15. ..... are the principal sites of exchange of water, oxygen, carbon dioxide, nutrients and other waste products between blood and the cells of the body. A) Arteries. B) Heart. C) Lungs. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 16. Prevents the backflow of blood and ensures that blood flows only in one direction. A) Valves. B) Aorta. C) Ventricle. D) Atrium. Show Answer Correct Answer: A) Valves. 17. Which organ is a part of the circulatory system? A) Brain. B) Heart. C) Skin. D) Liver. Show Answer Correct Answer: B) Heart. 18. How many cells are the in our body? A) 17 trillion. B) 26 trillion. C) 30 trillion. D) 32 trillion. Show Answer Correct Answer: C) 30 trillion. 19. The type of circulation that makes blood flow to and from heart tissues. A) Pulmonary. B) Coronary. C) Systemic. D) None of above. Show Answer Correct Answer: B) Coronary. 20. Name of a disease of the circulatory system. A) Osteoporosis. B) Kidney stones. C) High blood pressure. D) None of above. Show Answer Correct Answer: C) High blood pressure. ← 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