This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System โ Quiz 212 ๐ Homepage ๐ Download PDF Books ๐ Premium PDF Books Circulatory System Quiz 212 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The smallest blood vessels that connect the arteries and veins A) Atrium. B) Ventricles. C) Capillaries. D) Heart. Show Answer Correct Answer: C) Capillaries. 2. The cells involved in inflammatory reactions are ..... A) Basophils. B) Neutrophils. C) Eosinophils. D) Lymphocytes. Show Answer Correct Answer: C) Eosinophils. 3. What are the 2 main functions of the circulatory system? A) Made up of your heart, blood vessels, and blood. B) It moves blood and regulates temperature of your body. C) Carries nutrients, oxygen, antibodies, and hormones to the cells of your body. D) None of above. Show Answer Correct Answer: B) It moves blood and regulates temperature of your body. 4. If an adult's blood vessels were laid out straight, they would be around ..... miles long. A) 62. B) 6, 200. C) 62, 000. D) 620, 000. Show Answer Correct Answer: C) 62, 000. 5. I am blood type B-that means I have the ..... antigens on the surface of my red blood cells. A) A. B) B. C) O. D) None. Show Answer Correct Answer: B) B. 6. From there, blood passes into the right ventricle, which contracts and pumps the blood to the lungs through the pulmonary artery A) 1. B) 2. C) 3. D) 4. E) 5. Show Answer Correct Answer: C) 3. 7. All of the following are functions of the lymphatic system except: A) Collect lymph from the body's interstitial spaces and return it to the blood stream. B) Keep the heart beating at a consistent heart rate. C) Filter lymph through the lymph nodes. D) Detect and fight infection. Show Answer Correct Answer: B) Keep the heart beating at a consistent heart rate. 8. ..... give blood its colour. They carry oxygen and carbon dioxide A) Plasma. B) Red Blood Cells. C) White Blood Cells. D) Veins. Show Answer Correct Answer: B) Red Blood Cells. 9. Artery leaving the left side of the heart A) Pulmonary. B) Aorta. C) Coronary. D) Jugular. Show Answer Correct Answer: B) Aorta. 10. Who connect arteries to veins? A) Heart. B) Lungs. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 11. In which chamber of the heart does blood receive oxygen before being pumped to the rest of the body? A) Right atrium. B) Left atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: B) Left atrium. 12. Where the mouth and nasal passageways are joined. A) Lungs. B) Nostrils. C) Bronchi. D) Pharynx. E) Alveoli. Show Answer Correct Answer: D) Pharynx. 13. A chamber that pumps blood out of the heart. A) Atrium. B) Ventricles. C) Septum. D) Arteries. Show Answer Correct Answer: B) Ventricles. 14. When the heart ....., it pushes the blood into the arteries, to the rest of the body A) RELAXES. B) CONTRACTS. Show Answer Correct Answer: B) CONTRACTS. 15. The function of red blood cells is to carry ..... from the lungs to the body's cells. A) Carbon dioxide. B) Oxygen. C) Iron. D) Water. E) Sugar. Show Answer Correct Answer: B) Oxygen. 16. The sound lub in cardiac cycle arises by closure of ..... A) Tri and bi cuspid valves. B) Pulmonary valve. C) Aortic valve. D) All the above เฐชเฑเฐตเฐจเฑเฐจเฑ. Show Answer Correct Answer: A) Tri and bi cuspid valves. 17. The largest artery with respect to diameter: A) Aorta. B) Iliac. C) Subclavian artery. D) Jugular. Show Answer Correct Answer: A) Aorta. 18. Explain the role of the atria and ventricles in the heart's structure. A) The atria and ventricles have no specific roles in the heart's structure. B) The atria receive blood from the body and lungs, while the ventricles pump blood out of the heart to the body and lungs. C) The ventricles receive blood from the body and lungs. D) The atria pump blood out of the heart to the body and lungs. Show Answer Correct Answer: B) The atria receive blood from the body and lungs, while the ventricles pump blood out of the heart to the body and lungs. 19. The vessels with thick elastic walls made of smooth muscle tissue. A) Arteries. B) Veins. C) Capillaries. D) Heart. Show Answer Correct Answer: A) Arteries. 20. Does the heart stop beating while we are sleeping A) Yes. B) No. C) Don't know. D) No response. Show Answer Correct Answer: B) No. โ PreviousNext โRelated 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 ๐ Back to Homepage ๐ Download PDF Books ๐ Premium PDF Books