This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 630 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 630 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Capillaries allow oxygen and nutrients to pass through to the cells because the walls of capillaries contain only one layer of cells. A) True. B) False. Show Answer Correct Answer: A) True. 2. When oxygen-rich blood moves to all of your organs and oxygen-poor blood returns to the heart. A) Systemic circulation. B) Pulmonary circulation. C) Artery. D) Vein. Show Answer Correct Answer: A) Systemic circulation. 3. Blood enters the heart from the lungs through the ..... A) Superior/Inferior Vena Cava. B) Pulmonary Vein. C) Aorta. D) Pulmonary Artery. Show Answer Correct Answer: B) Pulmonary Vein. 4. Blood from the lungs to the left atrium rich in contain A) Less oxygen and more carbon dioxide. B) Rich carbon dioxide. C) Rich oxygen. D) More oxygen and less carbon dioxide. Show Answer Correct Answer: C) Rich oxygen. 5. Which part of blood is a yellowish liquid made mostly of water? A) Plasma. B) Red blood cells. C) White blood cells. D) Platelets. Show Answer Correct Answer: A) Plasma. 6. If a type of blood has only B antigens, then it is ..... type of blood A) A+. B) AB-. C) O+. D) B-. Show Answer Correct Answer: D) B-. 7. True or False:Both the veins and arteries are tubes that carry blood in the body A) True. B) False. Show Answer Correct Answer: A) True. 8. Where are your blood cells made? A) In your heart. B) In your lungs. C) In your long bones. D) In your kidneys. Show Answer Correct Answer: C) In your long bones. 9. What adapts in the circulatory system to match the needs of each tissue? A) Blood color. B) Heart rate. C) Blood pressure. D) Circulation. Show Answer Correct Answer: D) Circulation. 10. The left ventricle pumps blood to all the body cells through ..... A) Aorta. B) Pulmonary artery. C) Pulmonary veins. D) Vena cava. Show Answer Correct Answer: A) Aorta. 11. The lower chamber of the heart are called A) Atria. B) Ventricles. Show Answer Correct Answer: B) Ventricles. 12. The ..... has four chambers. A) Right lung. B) Heart. C) Left lung. D) Large intestine. Show Answer Correct Answer: B) Heart. 13. What does it mean to transport? A) Move something from one place to another. B) Stay in the same place. Show Answer Correct Answer: A) Move something from one place to another. 14. What is the name for the circulatory system that moves blood to and from the lungs? A) Pulmonary. B) Hemolymph. C) Systemic. D) Cardiovascular. Show Answer Correct Answer: A) Pulmonary. 15. Blood is pumped out of the heart to the rest of the body from the A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 16. Which of the following could be used to take a pulse A) Radical artery. B) Superior vena cava. C) Renal capillaries. D) Radial vein. Show Answer Correct Answer: A) Radical artery. 17. Controls voluntary actions and reflexes A) Peripheral Nervous System (PNS). B) Central Nervous System (CNS). C) Autonomic System. D) Somatic System. Show Answer Correct Answer: D) Somatic System. 18. The smallest and thinnest blood vessel A) Arterioles. B) Capillaries. C) Venules. D) Medium arteries. Show Answer Correct Answer: B) Capillaries. 19. Which vessel is responsible for taking blood to the lungs? A) Pulmonary vein. B) Pulmonary artery. C) Vena cava. D) Aorta. Show Answer Correct Answer: B) Pulmonary artery. 20. A part of the heart that separates oxygen-poor blood from the oxygen-rich blood and prevents them from mixing. A) Septum. B) Arteries. C) Veins. D) Superior Vena Cava. Show Answer Correct Answer: A) Septum. ← 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