This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 366 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 366 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... reacts with the nutrients and burns or transforms it into energy. A) Carbon Dioxide. B) Oxygen. C) Enzymes. D) Glucose. Show Answer Correct Answer: B) Oxygen. 2. In which type of blood vessels is blood pressure the highest? A) Capillaries. B) Veins. C) Apex. D) Arteries. Show Answer Correct Answer: D) Arteries. 3. What is the arrow pointing to? A) Right ventricle. B) Left atrium. C) Right atrium. D) Left ventricle. Show Answer Correct Answer: A) Right ventricle. 4. Blood is which type of tissue- A) Nervous. B) Connective. C) Muscular. D) Epithelial. Show Answer Correct Answer: B) Connective. 5. Red blood cells contain ..... A) Hemoglobin. B) Bile. C) Valves. D) None of above. Show Answer Correct Answer: A) Hemoglobin. 6. Vocal cords are attached here. Forcing air between them causes vibrations that produce sound. A) Larynx. B) Pharynx. C) Lungs. D) Alveoli. Show Answer Correct Answer: A) Larynx. 7. Universe donor A) A. B) B. C) AB. D) O. Show Answer Correct Answer: D) O. 8. Formed elements make up about what percentage of blood? A) 55 percent. B) 60 percent. C) 45 percent. D) 20 percent. Show Answer Correct Answer: C) 45 percent. 9. Study the diagram and choose the correct answer. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 10. The lymphatic structure that closely parallell veins are called? A) Capillaries. B) Lymph. C) Lymph Vessels. D) None of above. Show Answer Correct Answer: C) Lymph Vessels. 11. Prevents oxygen-rich and oxygen-poor blood from mixing in the heart A) Septum. B) Atrium. C) Valve. D) Aorta. Show Answer Correct Answer: A) Septum. 12. The circulatory system consists of what in the human body? A) Brain, back, arms. B) Arms, legs, head. C) Heart, blood vessels, blood. D) Lungs, stomach, colon. Show Answer Correct Answer: C) Heart, blood vessels, blood. 13. What is the function of your circulatory system? A) Allow movement of your body. B) Provide support and protect internal organs. C) Bring in oxygen and release carbon dioxide. D) Transport nutrients, oxygen, and hormones through the body. Show Answer Correct Answer: D) Transport nutrients, oxygen, and hormones through the body. 14. What is the function of the large intestine? A) The absorption of water and some vitamins, formation and storage of faeces. B) The absorption of nutrients. C) The digestion of fats. D) Transport the nutrients to the blood stream. Show Answer Correct Answer: A) The absorption of water and some vitamins, formation and storage of faeces. 15. I am part of the blood but am mostly water. Blood cells float in me. A) White blood cells. B) Red blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: C) Plasma. 16. What type of blood do veins transport back to the heart and lungs? A) Oxygen-rich blood. B) Nutrient-rich blood. C) Waste-rich/oxygen-poor blood. D) Blood with high glucose levels. Show Answer Correct Answer: C) Waste-rich/oxygen-poor blood. 17. Which component of blood carries oxygen to the body cells? A) Plasma. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: C) Red blood cells. 18. The circulatory system transports ..... A) Oxygen. B) Nutrient. C) Carbon dioxide. D) All are correct. Show Answer Correct Answer: D) All are correct. 19. What kind of blood flows into the right side of the heart A) Oxygenated Blood. B) Deoxygenated blood. Show Answer Correct Answer: B) Deoxygenated blood. 20. What circulation route carries blood to and from the heart and lungs? A) Systemic Circulation. B) Pulmonary Circulation. C) Body Circulation. D) Heart Circulation. Show Answer Correct Answer: B) Pulmonary Circulation. ← 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