This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 373 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 373 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A single-cell organism can do everything a cell from a multicellular organism can do except A) Specialize. B) Reproduce. C) Use energy. D) Make protein. Show Answer Correct Answer: A) Specialize. 2. Where does the blood go after it leaves the pulmonary arteries? A) Lungs. B) Heart. C) Head. D) The body. Show Answer Correct Answer: A) Lungs. 3. The big artery from which your blood leaves your heart: A) Dermis. B) Left coronary artery. C) Right coronary artery. D) Aorta. Show Answer Correct Answer: D) Aorta. 4. Why is blood that flows from the lungs to the heart bright red rather than dark red? A) Oxygen makes it red. B) Carbon dioxide makes it red. C) Gastric juices produce the red color of the blood. D) The lungs add a pigment (dye) to blood as it flows through them. . Show Answer Correct Answer: A) Oxygen makes it red. 5. Lack of food hygiene, food allergy, and overconsumption of spicy or acidic food make people get ..... A) Diarrhea. B) Constipation. C) Bronchitis. D) Appendicitis. Show Answer Correct Answer: A) Diarrhea. 6. You are more likely to die from diseases related to your ..... than anything else. A) Circulatory system. B) Respiratory system. C) Cardiovascular system. D) None of above. Show Answer Correct Answer: C) Cardiovascular system. 7. This chamber has a thicker muscle to help pump blood around the body: A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: C) Left ventricle. 8. What acronym can help you identify a stroke? A) SLOW. B) FAST. C) STROKE. D) SLEEP. Show Answer Correct Answer: B) FAST. 9. Weight of the heart is about ..... grams. A) 360. B) 10. C) 410. D) 290. Show Answer Correct Answer: A) 360. 10. ..... separate the left and right ventricles A) Septum. B) Aorta. C) Pulmonary. D) Bicuspid. Show Answer Correct Answer: A) Septum. 11. When the diaphragm relaxes (pushes up), what happens? A) You inhale (air enters). B) You exhale (air leaves). C) Nothing happens. D) None of above. Show Answer Correct Answer: B) You exhale (air leaves). 12. Choose the word to fill in the blank..... to make the correct statement:The small cycle starts at..... and ends at..... A) Left ventricle-right atrium. B) Right ventricle-left atrium. C) Left atrium-right ventricle. D) Right atrium-left ventricle. Show Answer Correct Answer: B) Right ventricle-left atrium. 13. Is this the correct path?Right atrium > right ventricle > pulmonary artery > lungs > pulmonary veins > left atrium > left ventricle > aorta > body cells > vena cava A) Yes. B) No. C) Nobody knows . D) None of above. Show Answer Correct Answer: A) Yes. 14. The heart pumps oxygenated blood to the rest of the body. A) Pulmonary circulation. B) Systematic circulation. Show Answer Correct Answer: B) Systematic circulation. 15. Vessels that allow gas exchange A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: B) Capillaries. 16. The waste gas made during cellular respiration that is carried by the blood. A) Oxygen. B) Nitrogen. C) Carbon dioxide. D) Helium. Show Answer Correct Answer: C) Carbon dioxide. 17. Blood leaving the left atrium is going to go directly to A) The right ventricle. B) The lungs. C) The left ventricle. D) The body cells. Show Answer Correct Answer: C) The left ventricle. 18. The valve between the right atrium and the right ventricle is called the: A) Bicuspid valve. B) Tricuspid valve. C) Mitral valve. D) None of the above. Show Answer Correct Answer: B) Tricuspid valve. 19. The life fluid that carries oxygen and food and carries away carbon dioxide and waste A) Blood. B) Plasma. C) Platelets. D) Mucus. Show Answer Correct Answer: A) Blood. 20. What covers the outside of the alveoli, and exchanges carbon dioxide for oxygen? A) Capillaries. B) Bronchi. C) Veins. D) Arteries. Show Answer Correct Answer: A) Capillaries. ← 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