This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 447 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 447 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... receive the blood from all the body cells through vena cava. A) Right atrium. B) Right ventricle. C) Left atrium. D) Left ventricle. Show Answer Correct Answer: A) Right atrium. 2. White blood cells main function is to ..... A) Clot the blood. B) Carry oxygen. C) Fight infection. D) Carry carbon dioxide. Show Answer Correct Answer: C) Fight infection. 3. Lipids get digested in the liver. A) True. B) False. Show Answer Correct Answer: B) False. 4. What happens when your diaphragm relaxes and moves upward? A) Your lungs deflate and you breathe out. B) Your lungs inflate and you breathe in. C) Your alveoli transfer oxygen to your bloodstream. D) Your bloodstream transfers carbon dioxide to your alveoli. Show Answer Correct Answer: A) Your lungs deflate and you breathe out. 5. Carries nutrients, water, oxygen and waste products to and from your body cells. A) Blood. B) Heart. C) Blood vessels. D) None of above. Show Answer Correct Answer: A) Blood. 6. Where blood comes from is oxygen-rich blood. A) Right ventricle. B) Brain. C) Kidney. D) Lungs. Show Answer Correct Answer: D) Lungs. 7. These are referred to as the pumping chambers. A) Ventricles. B) Atria. C) Arteries. D) Veins. Show Answer Correct Answer: A) Ventricles. 8. A heart attack occurs when blood supply to part of the heart is interrupted. A) True. B) False. Show Answer Correct Answer: A) True. 9. Which blood vessel connects two other blood vessels? A) Veins. B) Arteries. C) Capillaries. D) Both veins and arteries. Show Answer Correct Answer: C) Capillaries. 10. What system sends electrical signals to other parts of your body? A) Respiratory System. B) Nervous System. C) Circulatory System. D) Digestive System. Show Answer Correct Answer: B) Nervous System. 11. Do all arteries pump oxygenated blood? A) They keep the blood flowing one way. They stop blood flowing back into the chamber that they left. B) No pulmonary arter carries oxygen poor blood to the lungs. C) Right atrium. D) Left atrium. Show Answer Correct Answer: B) No pulmonary arter carries oxygen poor blood to the lungs. 12. The left side sends blood to ..... A) Lungs. B) Every other part of your lungs. C) Heart. D) Small intestine. Show Answer Correct Answer: B) Every other part of your lungs. 13. Cells that transport oxygen A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Red blood cells. 14. Right side of the heart pumps for Pulmonary circulation A) True. B) False. Show Answer Correct Answer: A) True. 15. Which is one reason why the heart pumps faster during exercise? A) The need for increased digestion to provide fuel. B) The elevated demand for fuel and oxygen in the muscles. C) The decreased demand for blood flow to central nervous system. D) The contraction of blood vessels to muscles, increasing blood pressure. Show Answer Correct Answer: B) The elevated demand for fuel and oxygen in the muscles. 16. Bone marrow A) The part of the body where red blood cells are made. B) A flap of tissue that prevents blood from flowing backward. C) A top chamber in our heart. D) This type of blood vessel is the thinnest and allows for the transfer of nutrients and oxygen to the cells of the body. Show Answer Correct Answer: A) The part of the body where red blood cells are made. 17. Which humor was considered hot and dry? A) Yellow bile. B) Black bile. C) Phlegm. D) Blood. Show Answer Correct Answer: A) Yellow bile. 18. True or False:capillaries are the largest tubes in your body A) True. B) False. Show Answer Correct Answer: B) False. 19. Germ fighters are carried by the ..... A) Blood. B) Cell. C) Oxygen. D) Heart. Show Answer Correct Answer: A) Blood. 20. When your rib muscles and diaphragm contract or relax to allow air in or out A) Alveoli. B) Breathing. C) Cartilage. D) Cell. E) Homeostasis. Show Answer Correct Answer: B) Breathing. ← 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