This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 125 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 125 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What are the levels of organization in order? A) Cell, Tissue, Organ, Organ System, Organism. B) Cell, Tissue, Organ, Organ System. C) Cell, Tissue, Organ, Organism, Organ System. D) Cell, Organ, Tissue, Organ System, Organism. Show Answer Correct Answer: A) Cell, Tissue, Organ, Organ System, Organism. 2. What does the cardiovascular (circulatory) system do for your body? A) Breaks food down into nutrients small enough for your cells to use. B) Supports the body and gives it shape. C) Takes the oxygen out of air and gives it to the blood and sends carbon dioxide out of the body by breathing out. D) Pumps blood around the body, picking things up and dropping them off. Show Answer Correct Answer: D) Pumps blood around the body, picking things up and dropping them off. 3. What is the relationship between force and motion in body systems? A) Force and motion have a negative relationship in body systems. B) Motion is the cause of force in body systems. C) Force and motion are unrelated in body systems. D) Force is the cause of motion in body systems. Show Answer Correct Answer: D) Force is the cause of motion in body systems. 4. Blood flow that goes from the heart to the lungs and back to the heart A) System circulation. B) Pulmonary circulation. C) Semilunar valves. D) AV valves. Show Answer Correct Answer: B) Pulmonary circulation. 5. The gases that are found in your blood vessels are A) Nitrogen, carbon dioxide. B) Nitrogen, oxygen. C) Oxygen, carbon dioxide. D) Oxygen, nitrogen. Show Answer Correct Answer: C) Oxygen, carbon dioxide. 6. Which is true of the circulatory system? A) Doesn't interact with other body systems. B) Involved breaking down food into smaller pieces. C) Helps deliver needed materials to the cells of your body. D) Releases waste into the digestive system. Show Answer Correct Answer: C) Helps deliver needed materials to the cells of your body. 7. During gas exchange, oxygen moves into the blood, and carbon dioxide moves into the alveoli. A) True. B) False. Show Answer Correct Answer: A) True. 8. The lungs are covered with a thin epithelium called ..... A) Mucous Membrane. B) Hemoglobin. C) Alveoli. D) Pleura. Show Answer Correct Answer: D) Pleura. 9. In toads, this structure separates the left and right atrium A) Septum. B) Valve. C) Endomysium. D) None of above. Show Answer Correct Answer: A) Septum. 10. There are ..... parts of blood, each with their own jobs. A) Four. B) Three. C) Eight. D) None of above. Show Answer Correct Answer: A) Four. 11. During a routine physical, the doctor discovers that Shirley's systolic blood pressure is 180 and her diastolic blood pressure is 100. Shirley expects she will be treated for A) Myocardial infarction. B) Transient ischemic attack. C) Hypertension. D) Varicose veins. Show Answer Correct Answer: C) Hypertension. 12. Your heart is shaped like an upside down A) Pear shape. B) Banana shape. C) Pineapple shape. D) Apricot shape. Show Answer Correct Answer: A) Pear shape. 13. What do you call "a group of tissues that come together to do a similar job" ? A) A cell. B) A Tissue. C) An Organ. D) An organ system. Show Answer Correct Answer: C) An Organ. 14. Which type of blood is on the right side of the heart (left atrium & left ventricle)? A) Oxygenated. B) Deoxygenated. C) Both. D) None of above. Show Answer Correct Answer: A) Oxygenated. 15. What contains hemoglobin that bind to oxygen and carry it to your cells? A) Plasma. B) Red blood cells. C) White blood cells. D) Hemoglobin. Show Answer Correct Answer: B) Red blood cells. 16. Where does air enter the respiratory system? A) Trachea. B) Nose/mouth. C) Lungs. D) Bronchi. Show Answer Correct Answer: B) Nose/mouth. 17. This structure is on the outside of the atria and looks like two earlike flaps. A) Auricles. B) Left and right coronary arteries. C) Pericardium. D) Interventricular groove or sulcas. Show Answer Correct Answer: A) Auricles. 18. Upper limbs drain into the right atrium through superior vena cava A) True. B) False. Show Answer Correct Answer: A) True. 19. Moving blood gets rid of waste like..... A) Blood cells. B) Nitrogen. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: C) Carbon dioxide. 20. What makes up 43% of the blood? A) Red blood cells. B) White blood cells. C) Plasma. D) Platelets. Show Answer Correct Answer: A) Red 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