This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 541 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 541 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The circulatory system includes the blood, the heart, and these A) Tissues. B) Muscles. C) Bones. D) Blood vessels. Show Answer Correct Answer: D) Blood vessels. 2. Which type of blood vessels are very narrow and exchange material with the body cells? A) Arteries. B) Veins. C) Capillaries. D) Valves. Show Answer Correct Answer: C) Capillaries. 3. Which is more dangerous-an arterial bleed or a veinous bleed? A) Arterial. B) Veinous. Show Answer Correct Answer: A) Arterial. 4. Which blood vessel is one cell thick? A) Alveoli. B) Artery. C) Vein. D) Capillary. Show Answer Correct Answer: D) Capillary. 5. The skinniest blood vessels in the body that allow cells to get the oxygen they need A) Arteriole. B) Venule. C) Capillary. D) The black. Show Answer Correct Answer: C) Capillary. 6. Mature RBCs have nucleus. True or False? A) True. B) False. Show Answer Correct Answer: B) False. 7. Which neuron carries nerve impulses from tissues and organs to the spinal cord and brain? A) Sensory neurons. B) Motor neurons. C) Interneurons. D) Impulse neurons. Show Answer Correct Answer: A) Sensory neurons. 8. Platelets release the protein A) Insulin. B) Hemoglobin. C) Fibrin. D) Globulin. Show Answer Correct Answer: C) Fibrin. 9. ..... circulation is seen in Human beings. A) Single is a single ring. B) Double double ring. C) Triple is a triple ring. D) None of the above. Show Answer Correct Answer: B) Double double ring. 10. The means of transportation in our body is ..... A) Oxygen. B) Blood. C) Carbon dioxide. D) All three are wrong. Show Answer Correct Answer: B) Blood. 11. What does the heart circulate throughout the body? A) Carbon dioxide. B) Muscle. C) Blood. D) Water. Show Answer Correct Answer: C) Blood. 12. The circulation of blood between the heart and lungs is known as: A) Systemic circulation. B) Pulmonary circulation. C) Coronary circulation. D) Portal circulation. Show Answer Correct Answer: B) Pulmonary circulation. 13. Which chamber of the heart fills with deoxygenated blood from the body? A) Left atrium. B) Pulmonary veins. C) Left ventricle. D) Right atrium. E) Right ventricle. Show Answer Correct Answer: D) Right atrium. 14. Which blood cells carry the oxygen to the rest of the body and carbon dioxide to the lungs? A) Red Blood Cells. B) White Blood Cells. C) Blue Blood Cells. D) Yellow Blood Cells. Show Answer Correct Answer: A) Red Blood Cells. 15. The shape of RBC is? A) Biconcave. B) Triconcave. C) Biconvex. D) Triconvex. Show Answer Correct Answer: A) Biconcave. 16. The bottom part of the heart is divided into two chambers called what? A) Ventricles. B) Atria. Show Answer Correct Answer: A) Ventricles. 17. A blood vessel that brings blood to the other parts of the body. A) Artery. B) Atrium. C) Ventricle. D) Vein. Show Answer Correct Answer: A) Artery. 18. The blood travels through the pulmonary artery to get to the lungs A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 19. A fixed pacemaker delivers electrical impulses only when the hearts own conduction system is not responding correctly. A) True. B) False. Show Answer Correct Answer: B) False. 20. ..... are tubes that carry blood away from the heart. A) Arteries. B) Capillaries. C) Veins. D) Nerves. Show Answer Correct Answer: A) Arteries. ← 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