This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 539 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 539 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Most of the time arteries carry ..... A) Snails. B) Low oxygen blood. C) High oxygen blood. D) No oxygen blood. Show Answer Correct Answer: C) High oxygen blood. 2. This artery is used when checking blood pressure A) Brachial artery. B) Femoral artery. C) Carotid artery. D) Temporal artery. Show Answer Correct Answer: A) Brachial artery. 3. Why do veins have valves? A) Because all blood vessels have valves. B) So that the blood doesn't travel too fast and burst the blood vessel. C) To stop the blood flowing backwards. D) It make the blood flow more efficient because the valves slow it down. Show Answer Correct Answer: C) To stop the blood flowing backwards. 4. What are the vessels that carry blood back to your heart? A) Veins. B) Arteries. Show Answer Correct Answer: A) Veins. 5. Which side of the heart pumps blood to the lungs? A) Bottom. B) Left. C) Top. D) Right. Show Answer Correct Answer: D) Right. 6. The fluid part of the blood is known as: A) Blood Corpuscle. B) Plasma. Show Answer Correct Answer: B) Plasma. 7. What is the function of the Ventricles? A) Receive Blood. B) Pump blood. C) Filter Blood. D) Oxygenate Blood. Show Answer Correct Answer: B) Pump blood. 8. What happens when the organs such as the nose, throat, voice box, wind pipe, and the lungs work together? A) They create the circulatory system. B) They create esophagus and trachea. C) When all of the organs work together they create the external organ known to be the nose. D) They help create the Respiratory System which then helps us to breathe. Show Answer Correct Answer: D) They help create the Respiratory System which then helps us to breathe. 9. The function of the circulatory system is to: A) Pump blood throughout the body. B) For movement. C) To digest food. D) None of above. Show Answer Correct Answer: A) Pump blood throughout the body. 10. The blood vessels that carry blood toward the heart. A) Veins. B) Arteries. C) Capillaries. D) Ventricles. Show Answer Correct Answer: A) Veins. 11. Process by which red blood cells are made A) Erythropoiesis. B) Erythrocytes (RBCs). C) Leukocytes (WBCs). D) Basophil. E) Basophil. Show Answer Correct Answer: A) Erythropoiesis. 12. What are the "branches" of hundreds of air tubes that branch off of the bronchi?At the end of these are the alveoli. A) Arteries. B) Lungs. C) Bronchioles. D) Capillaries. Show Answer Correct Answer: C) Bronchioles. 13. True or False:The left atrium receives blood full of oxygen from the lungs and then empties the blood into the left ventricle. A) True. B) False. Show Answer Correct Answer: A) True. 14. I am the smallest blood vessels. * A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 15. When you breathe out, intercoastal muscles relaxes. A) True. B) False. Show Answer Correct Answer: A) True. 16. Which part of the circulatory system is a muscle? A) Veins. B) Heart. C) Blood. D) None of above. Show Answer Correct Answer: B) Heart. 17. A hole in the wall between the right ad left atria A) Heart murmur. B) Cardiomyopathy. C) Endocarditis. D) Atrial septal defect. Show Answer Correct Answer: D) Atrial septal defect. 18. The anatomical name for the windpipe is the A) Pharynx. B) Epiglottis. C) Trachea. D) Larynx. Show Answer Correct Answer: C) Trachea. 19. What helps in clotting the blood A) Plasma. B) Platelets. C) White blood cells. D) Red blood cells. Show Answer Correct Answer: B) Platelets. 20. Pulmonary, coronary or systemic circulation? Circulation that supplies blood directly to the heart muscle. A) PULMONARY. B) SYSTEMIC. C) CORONARY. D) None of above. Show Answer Correct Answer: C) CORONARY. ← 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