This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 49 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 49 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ventricle A) A blood vessel that carries blood back to the heart. B) The throat; part of the respiratory and digestive system. C) The two lower chambers of the heart that pumps blood out of the heart,. D) Large muscle located at the bottom of a mammal's rib cage that functions in breathing. E) A blood vessel that carries blood away from the heart. Show Answer Correct Answer: C) The two lower chambers of the heart that pumps blood out of the heart,. 2. The chamber of the heart that receives de-oxygenated blood from different parts of the body. A) Right Atrium. B) Left atrium. C) Right Ventricle. D) Left Ventricle. Show Answer Correct Answer: A) Right Atrium. 3. What keep our heart safe A) Ribcage. B) Blood vessels. Show Answer Correct Answer: A) Ribcage. 4. After passing through the heart deoxygenated blood goes to where? A) Body cells. B) Lungs. Show Answer Correct Answer: B) Lungs. 5. The red blood cells don't have a nucleous A) True. B) False. Show Answer Correct Answer: A) True. 6. A blood clot circulating in the bloodstream is called a/an A) Aneurysm. B) Embolism. C) Embolus. D) Thrombus. Show Answer Correct Answer: C) Embolus. 7. Tissue is heart that controls it's beat is called: A) Pacemaker. B) Skeletal tissue. C) Fat tissue. D) Valve. Show Answer Correct Answer: A) Pacemaker. 8. Misshaped red blood cells which makes it hard for blood to move and carry oxygen to the tissues. A) Sickle cell anemia. B) Leukemia. C) Mononucleosis. D) Polycythemia. Show Answer Correct Answer: A) Sickle cell anemia. 9. What does the heart move througth our body? A) Oxygen. B) Blood. Show Answer Correct Answer: B) Blood. 10. How do we find our Maximum Heart Rate? A) 100 + your age. B) 200-your age. C) 0 + your age. D) 220-your age. Show Answer Correct Answer: D) 220-your age. 11. How does the lymphatic system help maintain homeostasis? A) Regulates the body's temperature. B) Provides cells with oxygen and nutrients. C) Cleans tissue fluid and returns it to the circulatory system. D) Release hormones that control body functions. Show Answer Correct Answer: C) Cleans tissue fluid and returns it to the circulatory system. 12. I'm a pigment in RBC who transport gases. Who am I? I am the pigment in the red blood cell that transports gases Who am I? A) Chlorophyll is a leafy green. B) Melanin Melanin. C) Hemoglobin Hemoglobin. D) 2&3. Show Answer Correct Answer: C) Hemoglobin Hemoglobin. 13. Blood clotting is controlled by ..... A) Plasma. B) White Blood Cells. C) Platelets. D) Red Blood Cells. Show Answer Correct Answer: C) Platelets. 14. Inner lining of the heart A) Endocardium. B) Myocardium. C) Epicardium. D) Superior vena cava. Show Answer Correct Answer: A) Endocardium. 15. The circulation of blood between heart and lungs A) Systemic circulation. B) Pulmonary circulation. Show Answer Correct Answer: B) Pulmonary circulation. 16. What is the circulatory system? A) It works to transport oxygen and nutrients. It also works to remove carbon dioxide and other waste products. B) It works to excrete waste products. C) The network of organs and tissues that help you breathe. D) Breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair. Show Answer Correct Answer: A) It works to transport oxygen and nutrients. It also works to remove carbon dioxide and other waste products. 17. What type of muscle makes up the walls of blood vessels? A) Cardiac muscle. B) Smooth muscle. C) Skeletal muscle. D) None of above. Show Answer Correct Answer: B) Smooth muscle. 18. Fill in the blank:Veins carry blood (blank) the heart A) Away from. B) To. Show Answer Correct Answer: B) To. 19. The major functions of the blood include: A) Transports oxygen carbon dioxide, nutrients, hormones, heat and metabolic wastes. B) Regulates pH, body temperature and water content of cells. C) Protects against blood loss through clotting. D) Protection against disease through phagocytic white blood cells and antibodies. E) All of the above. Show Answer Correct Answer: E) All of the above. 20. The ..... valve separates the left ventricle from the aorta. A) Pulmonary. B) Tricuspid. C) Aortic. D) None of above. Show Answer Correct Answer: C) Aortic. ← 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