This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 311 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 311 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. About how many bones do adults have? A) 300. B) 50. C) 206. D) None of above. Show Answer Correct Answer: C) 206. 2. Which condition is described as a deficiency in RBCs ability to carry oxygen and/or hemoglobbin? A) Atherosclerosis. B) Arteriosclerosis. C) Aneurysm. D) Anemia. Show Answer Correct Answer: D) Anemia. 3. The circulatory system carries oxygen, water, nutrients, blood and other materials throughout your body A) True. B) False. Show Answer Correct Answer: A) True. 4. What is the correct order (first to last) in which air moves through the human respiratory system after inhalation? A) Nose, larynx, trachea, pharynx, bronchi, lungs. B) Nose, pharynx, larynx, trachea, bronchi, lungs. C) Pharynx, bronchi, nose, larynx, trachea, lungs. D) Pharynx, nose, trachea, bronchi, larynx, lungs. Show Answer Correct Answer: B) Nose, pharynx, larynx, trachea, bronchi, lungs. 5. Which of the following is responsible for carrying oxygen-rich blood from the heart to the body's cells? A) Arteries. B) Veins. C) Lungs. D) Stomach. Show Answer Correct Answer: A) Arteries. 6. Located between left ventricle and aorta A) Tricuspid valve. B) Bicuspid valve. C) Pulmonary valve. D) Aortic valve. Show Answer Correct Answer: D) Aortic valve. 7. Atherosclerosis occurs when fatty plaques are deposited on the walls of the arteries. A) True. B) False. Show Answer Correct Answer: A) True. 8. What is the name of the '' Muscle" that PUMPS blood to all parts of the body? A) Vein. B) Heart. C) Blood Vessels. D) None of above. Show Answer Correct Answer: B) Heart. 9. Pulmonary vein A) Carries oxygenated blood to left atrium. B) Carries deoxygenated blood to left ventricle. C) Carries oxygenated blood to left ventricle. D) Carries deoxygenated blood to left atrium. Show Answer Correct Answer: A) Carries oxygenated blood to left atrium. 10. Thrombin acts as an enzyme and catalysis the conversion of fibrin to fibrinogen. A) True. B) False. Show Answer Correct Answer: B) False. 11. Aid in blood pressure, transportation of materials, immunity and blood clotting A) Plasma proteins. B) Ions (electrolytes). C) Nutrients. D) Antibodies. E) Antibodies. Show Answer Correct Answer: A) Plasma proteins. 12. Which of the following shows the correct route taken by blood in the human body? A) Heart > foot > lungs > heart. B) Heart > lungs > foot > lungs. C) Heart > lungs > foot > lungs. D) Heart > foot > heart > lungs. Show Answer Correct Answer: D) Heart > foot > heart > lungs. 13. Food enters the human body through the ..... A) Esophagus. B) Mouth. C) Liver. D) Intestine. Show Answer Correct Answer: B) Mouth. 14. White blood cells are in charge of: A) Blood clotting. B) Fighting pathogens. C) Carrying oxygen. D) Thinning the blood. Show Answer Correct Answer: B) Fighting pathogens. 15. The major blood vessel that carries oxygenated blood away from the heart to the rest of the body is the A) Aorta. B) Vena cava. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: A) Aorta. 16. Right atrium oumbs the blood to the two lungs A) True. B) False. Show Answer Correct Answer: B) False. 17. The yellowish liquid part of the blood that carries nutrients, proteins, hormones, and waste products A) Platelets. B) Plasma. C) Heart. D) Veins. Show Answer Correct Answer: B) Plasma. 18. Right Ventricle A) Upper Chamber; lung incoming blood. B) Deoxygenated blood; small chamber. C) Muscular chamber; oxygenated blood. D) Tricuspid valve; pushes blood into the pulmonary artery. Show Answer Correct Answer: D) Tricuspid valve; pushes blood into the pulmonary artery. 19. Which of the following is true about the heart? A) It can only contract. B) It is made of muscle. C) The lower chambers are called atrium. D) It beats about 30 times in a minute. Show Answer Correct Answer: B) It is made of muscle. 20. Tubes leading to the lungs A) Lungs. B) Larynx. C) Bronchi. D) Trachea. Show Answer Correct Answer: C) Bronchi. ← 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