This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 556 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 556 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How long does a red blood cell last until it makes a new one? A) 2 weeks. B) 3 months. C) 4 months. D) 7 weeks. Show Answer Correct Answer: C) 4 months. 2. Which part of the heart receives oxygen-rich blood from the lungs? A) Right atrium. B) Left atrium. C) Heart. D) Yes. Show Answer Correct Answer: B) Left atrium. 3. Which disease is hardening of the arteries due to plaque? A) Atherosclerosis. B) Myocardial Infarction. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Atherosclerosis. 4. Process that moves oxygen and carbon dioxide between the atmosphere and the cells inside the body A) Respiration. B) Respiratory system. C) Ventilation. D) Bronchus. Show Answer Correct Answer: A) Respiration. 5. Functions of the circulatory system include:1. delivers ..... and nutrients to all the cells in the body2. transports carbon dioxide and waste to the lungs through blood vessels A) Oxygen. B) Water. C) Glucose. D) None of above. Show Answer Correct Answer: A) Oxygen. 6. What blood can B+ receive from? A) O-and B+. B) B+, B-, O-, O+. C) A-, B+, O-. D) AB+, A+, B+, B-. Show Answer Correct Answer: B) B+, B-, O-, O+. 7. A disease in which red blood cells are mis-shaped and clog capillaries. A) Leukemia. B) Heart disease. C) Sickle-cell anemia. D) Hemophilia. Show Answer Correct Answer: C) Sickle-cell anemia. 8. The respiratory system is the body system in which ..... exchange takes place. A) Blood. B) Gas. C) Nutrients. D) Waste. Show Answer Correct Answer: B) Gas. 9. Which of the following factors can influence hemoglobin's ability to bind with oxygen? A) PH. B) Temperature. C) Carbon dioxide levels. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Your heart rate, or pulse, is the number of times your heart beats per ..... A) Second. B) Minute. C) Hour. D) None of above. Show Answer Correct Answer: B) Minute. 11. Which component of blood is responsible for helping to stop bleeding? A) Platelets. B) Red blood cells. C) White blood cells. D) Plasma. Show Answer Correct Answer: A) Platelets. 12. Which correctly traces the path of deoxygenated blood through the heart A) From the body Superior Vena Cava-right atrium-right ventricle-pulmoary artery. B) Pulmonary Vein-left atrium-left ventricle-aorta to the body. C) Left ventricle-right atrium-inferior vena cava-aorta. D) Pulmonary Vein-to body-to lungs. Show Answer Correct Answer: A) From the body Superior Vena Cava-right atrium-right ventricle-pulmoary artery. 13. Are legs important organs in the respiratory system? A) Yes, they are. B) No, they aren´t. Show Answer Correct Answer: B) No, they aren´t. 14. What percentage of plasma is water? A) 80%. B) 90%. C) 75%. D) 65%. Show Answer Correct Answer: B) 90%. 15. Which of the following is a FALSE statement? A) Arteries carry blood AWAY from the heart. B) Oxygenated blood is BRIGHT red. C) Veins carry blood AWAY from the heart. D) Deoxygenated blood is DARK red. Show Answer Correct Answer: C) Veins carry blood AWAY from the heart. 16. Blood vessels that take blood away from the heart are called ..... A) Capillaries. B) Veins. C) Arteries. D) White cells. Show Answer Correct Answer: C) Arteries. 17. Glass A) Valve. B) Vessel, duct. C) Record of a vein. D) Small. Show Answer Correct Answer: B) Vessel, duct. 18. Which blood cells have a nucleus? A) Thrombocyte. B) Leukocyte. C) Erythrocyte. D) None of above. Show Answer Correct Answer: B) Leukocyte. 19. What is the most important circulatory system organ in your body? A) Veins. B) Blood. C) Lung. D) Heart. Show Answer Correct Answer: D) Heart. 20. ..... takes blood from the heart to the liver. A) Renal Artery. B) Pulmonary Vein. C) Hepatic Artery. D) Renal Vein. Show Answer Correct Answer: C) Hepatic Artery. ← 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