This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 149 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 149 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is responsible for the transfer of materials between capillaries and tissue fluid? A) Diffusion. B) Arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: A) Diffusion. 2. Structure that permits blood to flow in one direction only A) Heart. B) Ventricle. C) Valve. D) Capillaries. Show Answer Correct Answer: C) Valve. 3. Which of the following is NOT a function of the circulatory system? A) Carrying oxygen to cells. B) Removing waste products like carbon dioxide. C) Transporting nutrients and hormones to cells. D) Transporting blood in multiple directions. Show Answer Correct Answer: D) Transporting blood in multiple directions. 4. What color are white blood cells? A) White. B) Color glass. C) Mutual aid Satoru Aes. D) No one of the above. Show Answer Correct Answer: B) Color glass. 5. What is the function of the heart in the circulatory system? A) The heart pumps oxygen to the various parts of the body. B) The heart pumps blood to the various parts of the body. C) The heart pumps digested food to the various parts of the body. D) The heart pumps carbon dioxide to the various parts of the body. Show Answer Correct Answer: B) The heart pumps blood to the various parts of the body. 6. Widening blood vessel A) Aneurysm/o. B) Varic/o. C) Good luck. D) Amble/O. Show Answer Correct Answer: A) Aneurysm/o. 7. Windpipe A) Trachea. B) Lungs. C) Alveoli. D) Larynx. Show Answer Correct Answer: A) Trachea. 8. Chambers that expel (push/pump) blood from the heart (bottom chambers) A) Atria. B) Ventricles. C) Cardinal. D) Septum. Show Answer Correct Answer: B) Ventricles. 9. Muscle that helps your lungs pull in air and push it out. A) Diaphragm. B) Alveoli. C) Heart. D) Trachea. Show Answer Correct Answer: A) Diaphragm. 10. Most abundant blood cells A) Red blood cells. B) White blood cells. C) Platelets. D) None of above. Show Answer Correct Answer: A) Red blood cells. 11. Angelina set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the independent variable? A) Distance traveled by the ball. B) Height of the ramp. C) Mass of the ball. D) Angelina. Show Answer Correct Answer: C) Mass of the ball. 12. Blood travelling from the heart to the small intestine has ..... A) More digested food, less oxygen. B) Less digested food, more oxygen. Show Answer Correct Answer: B) Less digested food, more oxygen. 13. What is the muscle that acts as the pump for the circulatory system? A) Heart. B) Artery. C) Brain. D) Capillary. Show Answer Correct Answer: A) Heart. 14. Angioplasty uses a ..... to stretch an artery. A) Spring. B) Balloon. C) Air pocket. D) Fluid. Show Answer Correct Answer: B) Balloon. 15. The holes inside the heart each have names, but all together they are often referred to as ..... A) Cells. B) Chambers. C) Vessels. D) None of above. Show Answer Correct Answer: B) Chambers. 16. In blood circulation, from left atrium blood will travel to which chamber ..... and through which valves ..... ? A) Right atrium & aortic valves. B) Right ventricle & pulmonary valves. C) Left atrium & tricuspid valves. D) Left ventricle and mitral valves. Show Answer Correct Answer: D) Left ventricle and mitral valves. 17. Electro A) Wire. B) Fast. C) Slow. D) Electric. Show Answer Correct Answer: D) Electric. 18. What happens during a cardiac arrest? A) The heart pumps blood at a slower rate. B) The heart muscle weakens due to lack of oxygen. C) The heart beats irregularly due to a clogged artery. D) The heart stops beating due to a problem in the electrical system. Show Answer Correct Answer: D) The heart stops beating due to a problem in the electrical system. 19. Before the invention of a stethoscope physicians used to listen to the heart beat by placing their ear on a patient's chest A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 20. What heart chamber receives oxygenated blood from the pulmonary veins? A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: C) 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