This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 477 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 477 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Our heart is the vital organ that pumps blood vessels to all parts of our body. A) True. B) False. Show Answer Correct Answer: B) False. 2. The ..... in the heart forces blood to move in one direction. A) Chambers. B) Valves. Show Answer Correct Answer: B) Valves. 3. The reactants of cellular respiration are A) Carbon dioxide and water. B) Carbon dioxide, water, and sunlight. C) Oxygen and sugar. D) Oxygen, sugar and energy. Show Answer Correct Answer: C) Oxygen and sugar. 4. To take in oxygen A) Exhale. B) Cough. C) Hiccup. D) Inhale. Show Answer Correct Answer: D) Inhale. 5. The circulatory system consists of the heart, ..... and blood vessels. A) Blood. B) Oxygen. C) Nutrients. D) Cells. Show Answer Correct Answer: A) Blood. 6. These blood vessels have thicker muscular walls. A) Veins. B) Capillaries. C) Arteries. D) None of above. Show Answer Correct Answer: C) Arteries. 7. A contraction is termed as- A) Systole. B) Diastole. C) All of the above. D) None of the above. Show Answer Correct Answer: A) Systole. 8. Which blood type(s) produce anti B chemicals? A) A. B) O. C) AB. D) BOTH A and O. Show Answer Correct Answer: D) BOTH A and O. 9. There are 2 circuits of blood circulation in amphibians' circulatory system which are: A) Pulmonary & systemic. B) Gills & systemic. C) Pulmocutaneous & systemic. D) Pulmocutaneous & gills. Show Answer Correct Answer: C) Pulmocutaneous & systemic. 10. Which side of the heart receives oxygenated blood from the lungs? A) Right side. B) Left side. Show Answer Correct Answer: B) Left side. 11. Disease that causes the blood NOT to clot due to a genetic disease. A) Hemophilia. B) Leukemia. C) Polycythemia. D) Hemolytic disease of newborn. Show Answer Correct Answer: A) Hemophilia. 12. The word Pulmonary means what? A) Heart. B) Oxygen. C) Lungs. D) Carbon Dioxide. Show Answer Correct Answer: C) Lungs. 13. Homeostasis refers to the A) Building of polymers. B) Digestion of polymers. C) Maintance of a "set" body point. D) Productioin of ATP. Show Answer Correct Answer: C) Maintance of a "set" body point. 14. How many valves are within the heart? A) 4. B) 3. C) 5. D) 6. Show Answer Correct Answer: A) 4. 15. The bronchi is a two-way passageway of air, and further branches off into bronchioles, which are then connected to the alveolar sacs. A) True. B) False. Show Answer Correct Answer: A) True. 16. Define White Blood Cell A) The muscular organ of an animal that pumps blood throughout the body. B) Blood vessels that carry blood toward the heart. C) A blood cell that helps fight germs and diseases. D) Blood vessel that pumps blood away from the heart. Show Answer Correct Answer: C) A blood cell that helps fight germs and diseases. 17. What do the motor neurons do? A) Carry messages from the brain and spinal cord to muscles and glands. B) Carry impulses from skin and sends to organs the to spinal cord and brain. C) Carry impulses from sensory neurons to motor neurons. D) Store messages. Show Answer Correct Answer: A) Carry messages from the brain and spinal cord to muscles and glands. 18. Alveoli are part of which system? A) Skeletal. B) Muscular. C) Respiratory. D) Circulatory. Show Answer Correct Answer: C) Respiratory. 19. Which of the following have nuclei and are therefore truly considered "cells" ? A) Plasma. B) Leukocytes. C) Platelets. D) Erythrocytes. Show Answer Correct Answer: B) Leukocytes. 20. How is blood circulated in the circulatory system? A) It is first pumped to the lungs, back to the heart and then to the rest of the body. B) It is first pumped to the rest of the body, back to the lungs and then to the heart. C) It is pumped to the rest of the body, back to the heart and then to the lungs. D) None of above. Show Answer Correct Answer: A) It is first pumped to the lungs, back to the heart and then to the rest of the body. ← 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