This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 252 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 252 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is where the esophagus and the air tube are joined. A) Glottis. B) Larynx. C) Pharynx. D) Trachea. Show Answer Correct Answer: C) Pharynx. 2. Blood vessels that carry oxygenated blood are called: A) Arteries. B) Veins. C) Capillaries. D) None of the above. Show Answer Correct Answer: A) Arteries. 3. What color is oxygenated blood? A) Bright red. B) Pink. C) White. D) Purple. Show Answer Correct Answer: A) Bright red. 4. The white blood cells (WBCs) fight ..... ? A) Germs. B) Animals. C) Infection. D) People. Show Answer Correct Answer: C) Infection. 5. The circulation that supplies the heart A) Coronary Circulation. B) Pulmonary Ciruculation. C) Systemic Circulation. D) Blood Circulation. Show Answer Correct Answer: A) Coronary Circulation. 6. Root hairs are the extensions of root ..... cells. A) Cortex. B) Epidermal. Show Answer Correct Answer: B) Epidermal. 7. Arteries are blood vessels that ..... A) Connect to bones. B) Are blue in color, making your blood look blue. C) Lead blood away from the heart. D) The tiniest of blood vessels. Show Answer Correct Answer: C) Lead blood away from the heart. 8. What part of blood is 90% water? A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: D) Plasma. 9. The blood pressure in which chamber of the heart has the highest pressure? A) Right ventricle. B) Right atrium. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: C) Left ventricle. 10. What is the relationship between the respiratory system and the circulatory system? A) The respiratory system exchanges oxygen and carbon dioxide with the circulatory system. B) The respiratory system exchanges oxygen and carbon monoxide with the circulatory system. C) The respiratory system exchanges oxygen and sugar with the circulatory system. D) The respiratory system exchanges oxygen and nitrogen with the circulatory system. Show Answer Correct Answer: A) The respiratory system exchanges oxygen and carbon dioxide with the circulatory system. 11. Which side of the heart carries poorly oxygenated (deoxygenated) blood? A) Right. B) Left. Show Answer Correct Answer: A) Right. 12. What does circulatory system also known as? A) Thrombocytes. B) Cardiovascular system. C) Vascular system. D) Bing chilling system. Show Answer Correct Answer: B) Cardiovascular system. 13. State whether arteries carry blood towards or away from the heart. A) Away. B) Towards. Show Answer Correct Answer: A) Away. 14. Artery that carries blood and oxygen to the tissues of the heart A) Aorta. B) Coronary. C) Pulmonary. D) Septum. Show Answer Correct Answer: B) Coronary. 15. Water and nutrients enter the bloodstream through the capillaries. A) True. B) False. Show Answer Correct Answer: A) True. 16. The network of pipelines that extend all over the human body are ..... A) Veins. B) Arteries. C) Blood capillaries. D) None of above. Show Answer Correct Answer: C) Blood capillaries. 17. Once blood passes thru the pulmonary valve, what vessel does it enter? A) Pulmonary vein. B) Pulmonary artery. C) Inferior vena cava. D) Aorta. Show Answer Correct Answer: B) Pulmonary artery. 18. When coloring our heart, blue represented areas of our heart with ..... A) More oxygen. B) Less oxygen. C) More CO2 (carbon dioxide). D) Less CO2 (carbon dioxide). Show Answer Correct Answer: B) Less oxygen. 19. The police have caught the thief A) The thief has been caught by the police. B) The thief was caught by the police. C) The thief had been caught by the police. D) None of above. Show Answer Correct Answer: A) The thief has been caught by the police. 20. Superior vena cava-right atrium-?-right ventricle-Pulmonary valve-pulmonary artery-lungs-Pulmonary veins-left atrium-mitral valve-left ventricle-aorta-rest of body A) TRICUSPID VALVE. B) MITRAL VALVE. C) BICUSPID VALVE. D) PULMONARY VALVE. Show Answer Correct Answer: A) TRICUSPID VALVE. ← 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