This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 195 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 195 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which shows the correct path that blood takes around the body. A) Right side of the heart-lungs-left side of the heart-body cells. B) Left side of the heart-lungs-right side of the heart-body cells. C) Lungs-body cells-left side of the heart-right side of the heart. D) None of above. Show Answer Correct Answer: A) Right side of the heart-lungs-left side of the heart-body cells. 2. White blood cells help your body to A) Help stop bleeding when there is a cut. B) Give oxygen to body. C) Fight disease and infection. D) None of above. Show Answer Correct Answer: C) Fight disease and infection. 3. What is the job of Red Blood cells? A) It moves blood and regulates temperature of your body. B) Oxygen, nutrients, and wastes through the body in the blood. C) Absorb oxygen from the air in the lungs. D) None of above. Show Answer Correct Answer: C) Absorb oxygen from the air in the lungs. 4. How big is your heart? A) About the size of your brain. B) About the size of your lungs. C) About the size of a cell. D) About the size of your fist. Show Answer Correct Answer: D) About the size of your fist. 5. The formed elements of the blood include A) Plasma. B) Red blood cells and white blood cells and platelets. C) Platelets only. D) Albumins, globulins and fibrinogens. Show Answer Correct Answer: B) Red blood cells and white blood cells and platelets. 6. Which of the following is a saltwater ecosystem? A) Swamp. B) Pond. C) Ocean. D) Bog. Show Answer Correct Answer: C) Ocean. 7. What is the primary function of the circulatory system? A) To deliver oxygen and nutrients to every part of the body. B) To produce blood cells. C) To filter waste from the body. D) To regulate body temperature. Show Answer Correct Answer: A) To deliver oxygen and nutrients to every part of the body. 8. Septum divides atria and ventricles is called..... A) Auriculo ventricular septum Auriculo ventricular septum. B) Ventriculo auricular septum Ventriculo auricular septum. C) Ventricular septum. D) Auricular septum Auricular septum. Show Answer Correct Answer: A) Auriculo ventricular septum Auriculo ventricular septum. 9. Which blood vessel is the "doorway" to the blood stream? A) Capillaries. B) Veins. C) Arteries. D) Heart. Show Answer Correct Answer: A) Capillaries. 10. Which of the following is true about blood type O? A) It contains antigen A only. B) It contains antigen B only. C) It contains both antigen A and antigen B. D) It doesn't contain antigen A or antigen B. Show Answer Correct Answer: D) It doesn't contain antigen A or antigen B. 11. When the diaphragm contracts (pulls down), what happens? A) You inhale (air enters). B) You exhale (air leaves). C) Nothing happens. D) None of above. Show Answer Correct Answer: A) You inhale (air enters). 12. Tachy A) Fast. B) Blood. C) Hardening. D) Slow. Show Answer Correct Answer: A) Fast. 13. Which blood vessel carries wastes, like carbon dioxide? A) Capillaries. B) Veins. C) Arteries. D) Heart. Show Answer Correct Answer: B) Veins. 14. The three types of blood vessels that carry blood around the body A) Veins Capillaries Aorta. B) Veins Vein Cava Vessels. C) Veins Capillaries Arteries. D) Septum Mitral Valve Left Atrium. Show Answer Correct Answer: C) Veins Capillaries Arteries. 15. Cell fragments that help the body form blood clots that stop bleeding in blood vessels. A) Platelets. B) Red blood cells. C) White blood cells. D) Plasma. Show Answer Correct Answer: A) Platelets. 16. The four chambers of the heart consists of: A) 2 Inferior Vena Cava and 2 Superior Vena Cava. B) 2 Coronary Vessels and 2 Pulmonary Arteries. C) 2 Atrium and 2 Ventricles. D) None of above. Show Answer Correct Answer: C) 2 Atrium and 2 Ventricles. 17. The lower chambers of the heart are called ..... A) Atria. B) Ventricle. C) Vein. D) None of above. Show Answer Correct Answer: B) Ventricle. 18. Flab A) Artery. B) Vein. C) Vessel. D) Fast. Show Answer Correct Answer: B) Vein. 19. What is a ventricle? A) A artery. B) A blood vessel. C) One of the two chambers of the heart. D) New oxygenated blood. Show Answer Correct Answer: C) One of the two chambers of the heart. 20. How many times does a heart beat in a day? A) 75, 000. B) 100, 000. C) 200, 000. D) 50, 000. Show Answer Correct Answer: B) 100, 000. ← 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