This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 391 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 391 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Given the following structures:nasal cavity, trachea, lungs, pharynx. Which of the following is the correct order that air would flow during inhalation? A) Nasal cavity, pharynx, trachea, lungs. B) Nasal cavity, trachea, lungs, pharynx. C) Lungs, pharynx, trachea, nasal cavity. D) None of above. Show Answer Correct Answer: A) Nasal cavity, pharynx, trachea, lungs. 2. Where is the heart situated? A) To the left from the center. B) To the right from the center. C) In the center. D) In the feet. Show Answer Correct Answer: A) To the left from the center. 3. Left Ventricle-Aorta-Arteries-Capillaries-Veins-Superior/Inferior Vena Cava-Right AtriumWhat pathway of circulation is being listed above? A) Systemic. B) Pulmonary. Show Answer Correct Answer: A) Systemic. 4. An arteriole is ..... A) A small artery. B) A big artery. C) A capillary. D) Transporting oxygen-poor blood. Show Answer Correct Answer: A) A small artery. 5. Muscular structure that helps to expand and contract the lungs, forcing air in and out A) Pharynx. B) Nasal cavity. C) Alveoli. D) Diaphragm. Show Answer Correct Answer: D) Diaphragm. 6. SV valve is A) Heart valves located between the upper and lower chambers. B) The heart valves are located between the front and back chambers. C) Heart valve located between the left and right lower chambers. D) The heart valves between the lower chambers are black and white. Show Answer Correct Answer: C) Heart valve located between the left and right lower chambers. 7. This circuit transfers blood to the rest of the body? A) Systemic. B) Circulatory. C) Respiratory. D) Cardiac. Show Answer Correct Answer: A) Systemic. 8. Carries deoxygenated blood back to the heart: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 9. Originate in the SA node and travel across the walls of the atrium to the AV node A) Action potentials. B) Atrioventricular Bundle. C) AV node. D) Because of the difference. Show Answer Correct Answer: A) Action potentials. 10. Are veins and arteries connected? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 11. What are all the things that are kept the same in an experiment? A) Controls. B) Data. C) Constants. D) Independent variables. Show Answer Correct Answer: C) Constants. 12. Passageway where air is drawn into the system. A) Lungs. B) Nostrils. C) Bronchi. D) Pharynx. E) Alveoli. Show Answer Correct Answer: B) Nostrils. 13. Hodgkin's Disease A) Cardiovascular system. B) Lymphatic system. Show Answer Correct Answer: B) Lymphatic system. 14. The blood flowing within the pulmonary veins to which part of the circulatory system next? A) Right atrium. B) Aorta. C) Left ventricle. D) Left atrium. Show Answer Correct Answer: D) Left atrium. 15. Who can receive blood from type AB? A) A. B) B. C) AB. D) O. Show Answer Correct Answer: C) AB. 16. The cells found in human blood that destroy invading organisms and produce antibodies. A) Platelets. B) Leucocytes. C) Erythrocytes. D) None of the above. Show Answer Correct Answer: B) Leucocytes. 17. This organ is located between the lungs behind your rib cage in a slanting position in the center of the chest A) Stomach. B) Small intestine. C) A voluntary muscle. D) Heart. Show Answer Correct Answer: D) Heart. 18. What is the liquid that the cells of blood are suspended in? A) Plasma. B) Platelets. C) White Blood Cells. D) Red Blood Cells. Show Answer Correct Answer: A) Plasma. 19. The papillary muscles are helpful in ..... A) Movements of eyelids. B) Closing and opening the valves of heart. C) Movements of pinnae. D) Movements of eye ball. Show Answer Correct Answer: B) Closing and opening the valves of heart. 20. Which type of blood cell or cell fragment is responsible for fighting disease? A) Red blood cells. B) White blood cells. C) Platelets. D) All of the above. Show Answer Correct Answer: B) White blood cells. ← 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