This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 227 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 227 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is constantly circulating through your body? A) Feces. B) Water. C) Blood. D) Blood circulates while you are awake but then stops when you are sleeping. Show Answer Correct Answer: C) Blood. 2. Blood vessels that carry blood away from the heart are known as: A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Arteries. 3. What part of the brain controls heart rate, blood pressure and respiration rate? A) The corpus callosum. B) The cerebrum. C) The brain stem. D) The thalamus. Show Answer Correct Answer: C) The brain stem. 4. The pharynx, larynx trachea and bronchi ..... A) Are the passages that air passes through. B) Transfer oxygen to the cells. C) Are inside the lungs and exchange oxygen and carbon dioxide. D) None of above. Show Answer Correct Answer: A) Are the passages that air passes through. 5. RESPI or CICRU. Read analyze the following statement/situation and determine whether it describes the Respiratory System or Circulatory System. Question:It delivers oxygen to our cells such as blood. A) RESPOND. B) CIRCU. Show Answer Correct Answer: B) CIRCU. 6. This is something that can relax and contract to move your bones! A) Muscle. B) Joint. C) Cartilage. D) Brain. Show Answer Correct Answer: A) Muscle. 7. True or false? When blood is poor in oxygen, the heart sends the blood to the lungs. A) True. B) False. Show Answer Correct Answer: A) True. 8. What is the top layer of the skin called? A) Dermis. B) Hypodermis. C) Epidermis. D) Subcutaneous. Show Answer Correct Answer: C) Epidermis. 9. The blood enters on the left side of the heart (from the lungs) through the ..... and enters the left atrium. It then passes through the ..... to enter the left ventricle. A) Pulmonary artery, mitral valve. B) Pulmonary vein, tricuspid valve. C) Pulmonary artery, aortic valve. D) Pulmonary vein, bicuspid valve. Show Answer Correct Answer: D) Pulmonary vein, bicuspid valve. 10. Which of the following would be considered an abnormally fast heart rhythm? A) Arrhythmia. B) Bradycardia. C) Tachycardia. D) None of the above. Show Answer Correct Answer: C) Tachycardia. 11. All blood vessels are the same size. A) True. B) False. Show Answer Correct Answer: B) False. 12. The process of diffusion is the transfer of a substance from an area of ..... ? A) Lower concentration to higher concentration. B) Higher concentration to lower concentration. Show Answer Correct Answer: B) Higher concentration to lower concentration. 13. What do you call a hollow muscular organ located in the chest between the lungs? It is also the pumping organ of the body. A) Heart. B) Blood. C) Nerves. D) Blood vessels. Show Answer Correct Answer: A) Heart. 14. Bradycardia means A) Fast heart rate. B) Slow heart rate. C) Without heart beat. D) Bad heart rate. Show Answer Correct Answer: B) Slow heart rate. 15. Which of the following is not belong to the group? A) Lymphocyte. B) Eosinophil. C) Basophil. D) Neutrophil. Show Answer Correct Answer: A) Lymphocyte. 16. What am I? I connect the arteries to the capillaries A) Arteriole. B) Venule. Show Answer Correct Answer: A) Arteriole. 17. Passage connecting your throat and lungs. A) Pharynx. B) Bronchial tubes. C) Diaphragm. D) Trachea. Show Answer Correct Answer: D) Trachea. 18. All arteries carry deoxygenated blood except pulmonary artery. A) True. B) False. Show Answer Correct Answer: B) False. 19. It is where the air enters and filters A) Nasal passage. B) Trachea. C) Nose. D) Alveoli. Show Answer Correct Answer: C) Nose. 20. Which blood vessel delivers oxygen rich blood to the cells A) Veins. B) Pulmonary Vein. C) Arteries. D) Aorta. Show Answer Correct Answer: C) Arteries. ← 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