This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 183 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 183 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What control blood flow in the heart? A) Arteries. B) Veins. C) Valves. D) Capillaries. Show Answer Correct Answer: C) Valves. 2. What is the main substance transported by blood? A) Carbon dioxide. B) Water. C) Oxygen. D) Glucose. Show Answer Correct Answer: C) Oxygen. 3. ¿some of the blood diseases are? A) Arteriosclerosis. B) Thrombosis. C) Gastritis and osteoarthritis. D) Leukemia and anemia. Show Answer Correct Answer: D) Leukemia and anemia. 4. What is the space between the structure of a blood vessel? A) Artery. B) Lumen. C) Gap. D) Loomen. Show Answer Correct Answer: B) Lumen. 5. The main organ in the circulatory system is the ..... A) Brain. B) Heart. C) Liver. D) Lungs. Show Answer Correct Answer: B) Heart. 6. What is the job of our left heart? A) To pump blood to the whole body. B) To pump blood to the lungs. C) To pump blood to the heart. D) To help absorb the nutrients. Show Answer Correct Answer: A) To pump blood to the whole body. 7. In pea plants the allele for tall, T, is dominant to the allele for dwarf, t. Which cross would produce plants in the proportion of 1 tall:1 dwarf? A) A TT × Tt. B) B Tt × Tt. C) C Tt × tt. D) D tt × tt. Show Answer Correct Answer: C) C Tt × tt. 8. What does this system carry? A) Rich oxygen blood and poor oxygen blood. B) Carries blood away from the heart. C) Nutrients, oxygen, antibodies and hormones. D) Oxygen, nutrients and wastes. Show Answer Correct Answer: C) Nutrients, oxygen, antibodies and hormones. 9. True or False:Arteries carry blood away from the heart. A) True. B) False. Show Answer Correct Answer: A) True. 10. If a person is brain dead then that person's heart will A) Stop beating. B) Continue to beat. C) Become hypertrohied. D) Get smaller. Show Answer Correct Answer: B) Continue to beat. 11. Function of pericardial fluid..... A) Provide nutrition. B) Provide protection over toxins. C) Provides blood circulation. D) Provide protection from external shocks. Show Answer Correct Answer: D) Provide protection from external shocks. 12. The blood clotting made is possible by platelets A) True. B) False. Show Answer Correct Answer: A) True. 13. Which disease forces the heart to work faster than it should? A) High Blood Pressure. B) Prolapsed valves. C) Arrhythmia. D) Myocardial Infarction. Show Answer Correct Answer: A) High Blood Pressure. 14. ..... arteries supply blood to the heart A) Pulmonary. B) Coronary. Show Answer Correct Answer: B) Coronary. 15. What attaches your muscles to your bones? A) Tendons. B) Ligaments. C) Duct tape. D) Cartilage. Show Answer Correct Answer: A) Tendons. 16. Liquid part of blood A) Plasma. B) Albumin. C) Hematocrit. D) Buffy coat. Show Answer Correct Answer: A) Plasma. 17. Upper chambers of the heart that receive blood from the body A) Atria. B) Ventricles. Show Answer Correct Answer: A) Atria. 18. What connects the arterioles and venules? A) Aorta. B) Interventricular septum. C) Capillaries. D) None of the above. Show Answer Correct Answer: C) Capillaries. 19. Alkalosis A) A dangerous condition in which the PH of the blood is abnormally low. B) A dangerous condition in which the PH of the blood is abnormally high. C) Without air. D) An abnormal reduction of the number of RBCs in the circulating blood. Show Answer Correct Answer: B) A dangerous condition in which the PH of the blood is abnormally high. 20. Oxyg-rich A) Pulmonary artery. B) Left atrium. C) Right atrium. D) Mitral valve/bicuspid. E) Aortic valve. Show Answer Correct Answer: B) Left atrium. ← 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