This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 101 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 101 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Blood cells are also referred as (a) . A) A Corpuscles. B) Erythrocytes. C) Leucocytes. D) Thrombocytes. Show Answer Correct Answer: A) A Corpuscles. 2. These have thin enough walls to allow CO2 and O2 through them A) Veins. B) Arteries. C) Capillaries. D) Proximal Tubulas. Show Answer Correct Answer: C) Capillaries. 3. When I exercise, my heart rate ..... A) Slows down. B) Speeds up. Show Answer Correct Answer: B) Speeds up. 4. Right Atrium A) Upper Chamber; lung incoming blood. B) Deoxygenated blood; small chamber. C) Muscular chamber; oxygenated blood. D) Tricuspid valve; pushes blood into the pulmonary artery. Show Answer Correct Answer: B) Deoxygenated blood; small chamber. 5. The smallest of the blood vessels A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 6. Which is not considered a major part of the Circulatory System? A) Heart. B) Blood. C) Lungs. D) Blood Vessels. Show Answer Correct Answer: C) Lungs. 7. What do your veins do? A) Carry blood away from the heart. B) Carry blood to the lungs. C) Carry blood away from the lungs. D) Carry blood to the heart. Show Answer Correct Answer: D) Carry blood to the heart. 8. Place the following in the correct order:1.atria contract 2. AV node 3. Bundle of His 4.Purkinje fibers 5. SA node 6. ventricles contract A) 5, 1, 2, 3, 4, 6. B) 2, 1, 5, 3, 4, 6. C) 5, 6, 2, 3, 4, 1. D) 2, 6, 5, 3, 4, 1. Show Answer Correct Answer: A) 5, 1, 2, 3, 4, 6. 9. The upper chambers of the heart are called ..... A) Atrium. B) Ventricles. C) Pulmonary valve. D) Aortic valve. Show Answer Correct Answer: A) Atrium. 10. The blood will continue into the A) Right ventricle. B) Left ventricle. C) Left atrium. D) Pulmonary valve. Show Answer Correct Answer: A) Right ventricle. 11. A capillary is an extremely small blood vessel located within the ..... of the body, that transports blood from arteries to veins. A) Organelles. B) Tissues. C) Cells. D) None of above. Show Answer Correct Answer: B) Tissues. 12. Blood Plasma carries oxygen, wastes, and A) Nutrients. B) Platelets. C) Heart Muscles. D) Carbon. Show Answer Correct Answer: A) Nutrients. 13. What color are arteries? A) Purple. B) Blue. C) Red. D) Black. Show Answer Correct Answer: C) Red. 14. Which of the following is associated with oxygenated blood? A) Aorta. B) Pulmonary Artery. C) Septum. D) Right Ventricle. Show Answer Correct Answer: A) Aorta. 15. Thick, strong and elastic A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. Show Answer Correct Answer: A) Arteries (pulses) [6]. 16. The ..... side of the heart pumps the deoxygenated blood to the ..... circuit so it can be replaced with oxygen in the ..... A) Left, pulmonary, lungs. B) Right, systemic, lungs. C) Left, systemic, lungs. D) Right, pulmonary, lungs. Show Answer Correct Answer: D) Right, pulmonary, lungs. 17. Which are larger, atria or ventricles? A) Atria. B) Ventricles. Show Answer Correct Answer: B) Ventricles. 18. What type of blood vessel is where oxygen, nutrients, carbon dioxide, and wastes enter and leave the blood? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 19. A thrombus is a blood clot. A) True. B) False. Show Answer Correct Answer: A) True. 20. What is meant by blood pressure? A) The pressure generated by the heart when pumping blood. B) Pressure difference between arteries and veins. C) The pressure generated by blood vessels as blood flows. D) The pressure difference between capillaries and other blood vessels. Show Answer Correct Answer: A) The pressure generated by the heart when pumping blood. ← 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