This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 362 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 362 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Blood does not clot properly A) Hemophilia. B) Sickle cell anemia. C) Leukemia. D) Heart attack. Show Answer Correct Answer: A) Hemophilia. 2. What stores bile and sends it the small intestine? A) Liver. B) Gallbladder. C) Pancreas. D) Stomach. Show Answer Correct Answer: B) Gallbladder. 3. What is an adaptation? A) A feature that helps a plant grow. B) A feature that helps a living thing survive. Show Answer Correct Answer: B) A feature that helps a living thing survive. 4. Blood leaving the Pulmonary arteries and travelling to the lungs is: A) Oxygenated. B) Deoxygenated. Show Answer Correct Answer: B) Deoxygenated. 5. What does respiratory mean? A) Network of organs that help us digest food. B) Network of organs that help us to do movement. C) Network of organs that help us to sense. D) Network of organs that help us to breath. Show Answer Correct Answer: D) Network of organs that help us to breath. 6. Pulmonary circulation does not pass through any area. A) Lung. B) Right ventricle. C) Pulmonary vein. D) Posterior (inferior) vena cava. Show Answer Correct Answer: D) Posterior (inferior) vena cava. 7. How do some white blood cells fight invading germs? A) They force them out of the bloodstream. B) They envelope them. C) They stun them with special chemicals. D) They attach oxygen to them. Show Answer Correct Answer: B) They envelope them. 8. Oxygenated blood is pumped from the heart to all body tissues through the aorta. A) Systemic circulation. B) Pulmonary circulation. Show Answer Correct Answer: A) Systemic circulation. 9. Which blood vessel contains the most muscle? A) Capillary. B) Artery. C) Vein. D) None of above. Show Answer Correct Answer: B) Artery. 10. Which area of the heart rests on the diaphragm? A) Base. B) Apex. C) Aorta. D) Because of the difference. Show Answer Correct Answer: B) Apex. 11. Which of the following organs fits the definition?They carry oxygen and nutrients away from your heart to your bodies tissues. A) Veins. B) Arteries. C) Lungs. D) Heart. Show Answer Correct Answer: B) Arteries. 12. Which is not a branch of the aorta? A) Right coronary artery. B) Pulmonary artery. C) Brachiocephalic artery. D) Left subclavian artery. Show Answer Correct Answer: B) Pulmonary artery. 13. A human body in average has A) 1-2 litres of blood. B) 3-4 litres of blood. C) 4-6 litres of blood. D) 2-3 litres of blood. Show Answer Correct Answer: C) 4-6 litres of blood. 14. Breathing out; exhalation of breath. A) Inspiration. B) Expiration. Show Answer Correct Answer: B) Expiration. 15. Carries Oxygen in your blood A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: A) Red blood cells. 16. Which of these is a product of cellular respiration? A) Oxygen gas (O2). B) Carbon dioxide (CO2). Show Answer Correct Answer: B) Carbon dioxide (CO2). 17. How does an increased erythrocyte level benefit an athlete? A) By decreasing the viscosity of the blood. B) By increasing the oxygen-carrying capacity of the blood. C) By decreasing the capacity of the blood to clot in case of an injury. D) By increasing the ability of the body to fight infection. Show Answer Correct Answer: B) By increasing the oxygen-carrying capacity of the blood. 18. What helps prevent some of the transpiration (evaporation) from the leaves of vascular plants? A) Xylem. B) Phloem. C) Seed coat. D) Cuticle. Show Answer Correct Answer: D) Cuticle. 19. An New Born baby has how many bones A) 206. B) 609. C) 300. D) 780. Show Answer Correct Answer: C) 300. 20. What do we take in when we inhale? A) Carbon dioxide. B) Oxygen. C) Lungs. D) None of above. Show Answer Correct Answer: B) Oxygen. ← 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