This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 586 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 586 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The joint which allows the bones to glide against each other is called ..... A) Pivot Joint. B) Gliding Joint. Show Answer Correct Answer: B) Gliding Joint. 2. What protein allows blood to carry oxygen? A) Insulin. B) Oxygen. C) Carbon dioxide. D) Hemoglobin. Show Answer Correct Answer: D) Hemoglobin. 3. Blood vessels that carry oxygenated blood away from the heart A) Arterioles. B) Arteries. C) Veins. D) Venules. E) Capillaries. Show Answer Correct Answer: B) Arteries. 4. What are some diseases that effect the Circulatory System? A) Stomach FLu. B) Arthritis. C) Myopathy. D) Heart attack. Show Answer Correct Answer: D) Heart attack. 5. Why is blood red? A) It has oxygen. B) It has no oxygen. C) It is colored red. D) None of above. Show Answer Correct Answer: A) It has oxygen. 6. Is the blood in this structure oxygenated or deoxygenated? Aorta A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: A) Oxygenated. 7. The function of WBCs is to A) Help in the clotting of blood. B) Provide immunity. Show Answer Correct Answer: B) Provide immunity. 8. Which blood cells fight infection? A) Red. B) White. C) Plasma. D) Platelets. Show Answer Correct Answer: B) White. 9. Which is an example of a multicellular organism? A) Amoeba. B) Bacteria. C) Worm. D) Fungi. Show Answer Correct Answer: C) Worm. 10. What does our heart do? A) It absorbs water into our bloodstream. B) It absorbs oxygen into our bloodstream. C) It cleans our blood. D) It pumps blood around our body. Show Answer Correct Answer: D) It pumps blood around our body. 11. Newton was later proved wrong about which of the following: A) His view on color. B) His view on what makes up light. C) His view on Earth's axis. D) His view on gravity. Show Answer Correct Answer: B) His view on what makes up light. 12. True or False:Deoxygenated blood is high in oxygen and low in carbon dioxide. A) True. B) False. Show Answer Correct Answer: B) False. 13. Which chamber of the heart receives blood from the Pulmonary Vein? A) Right Atrium. B) Right Ventricle. C) Left Atrium. D) Left Ventricle. Show Answer Correct Answer: C) Left Atrium. 14. Through which vessel does oxygen-rich blood leave the heart to be distributed to the body? A) Pulmonary artery. B) Pulmonary vein. C) Aorta. D) Superior vena cava. Show Answer Correct Answer: C) Aorta. 15. This blood passes through the right atrium to the right ventricle. A) Oxygenated Blood. B) Deoxygenated Blood. Show Answer Correct Answer: B) Deoxygenated Blood. 16. Which is not a function of circulatory system? A) Protects the body against disease and infection. B) Clotting stops bleeding after injury. C) Circulates oxygen and removes carbon dioxide. D) Receiving information about the environment around us and generating responses to that information. Show Answer Correct Answer: D) Receiving information about the environment around us and generating responses to that information. 17. Left side of heart A) Oxygen poor. B) Oxygen rich. Show Answer Correct Answer: B) Oxygen rich. 18. The only externally visible part of the respiratory system A) Eyes. B) Nose. C) Pharynx. D) Larynx. Show Answer Correct Answer: B) Nose. 19. The state of the heart when it relaxes is called pressure..... A) A. Diastole. B) V. Sistole. C) C. Existole. D) D. Insistole. Show Answer Correct Answer: A) A. Diastole. 20. Which heart chamber has the thickest muscle because it needs to pump blood through the whole body? A) Right atrium. B) Right ventricle. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: C) Left ventricle. ← 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