This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 210 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 210 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The coordination between the heart and lungs is observed in maintaining the oxygen blood levels in human body. This shows what type of circulation? A) Coronary Circulation. B) Systemic Circulation. C) Pulmonary Circulation. D) Arterior Circulation. Show Answer Correct Answer: C) Pulmonary Circulation. 2. Which blood vessels carry oxygenated blood away from the heart to the body's tissues? A) Veins. B) Arteries. C) Capillaries. D) Venules. Show Answer Correct Answer: B) Arteries. 3. I get rid of bacteria and germs, what am I? A) Red blood cell. B) Veins. C) Platelets. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 4. This is the thickest layer of the heart A) Pericardium. B) Endocardium. C) Myocardium. D) Epicardium. Show Answer Correct Answer: C) Myocardium. 5. What externally covers the atria? A) Because of the difference. B) Auricle. C) AV Node. D) Negative Feedback Loop. Show Answer Correct Answer: B) Auricle. 6. The smallest vessels are called A) Arteries. B) Veins. C) Vessels. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 7. These take blood carrying waste back to the lungs to get rid of carbon dioxide. A) Veins. B) Arteries. C) Capillaries. D) Heart. Show Answer Correct Answer: A) Veins. 8. The function of platelets is ..... A) Bloodclotting. B) Transporting oxygen. C) Fighting infection. D) None of above. Show Answer Correct Answer: A) Bloodclotting. 9. As your physical activity ....., your heart rate ..... and your breathing rate ..... A) Decreases, increases, stays the same. B) Increases, increases, increases. C) Increases, decreases, increases. D) Decreases, stays the same, increases. Show Answer Correct Answer: B) Increases, increases, increases. 10. Another name for a heart attack is ..... A) Arrhythmia. B) High Blood Pressure. C) Atherosclerosis. D) Myocardial Infarction. Show Answer Correct Answer: D) Myocardial Infarction. 11. Allows ejection of blood from heart to arteries but prevent back flow into ventricles A) Atrioventricular valves. B) Valves of the heart. C) Semilunar valves. D) None of above. Show Answer Correct Answer: C) Semilunar valves. 12. The valve between the left atrium and left ventricle is called the ..... A) Tricuspid Valve. B) Aortic Valve. C) Pulmonary Valve. D) Bicuspid Valve. Show Answer Correct Answer: D) Bicuspid Valve. 13. Blood is composed of A) Red Blood Cells. B) White Blood Cells. C) Plasma and Platelets. D) All of the above. Show Answer Correct Answer: D) All of the above. 14. The large artery that carries oxygen-rich blood from the heart to the rest of the body. A) Aorta. B) Vein. C) Artery. D) Heart. Show Answer Correct Answer: A) Aorta. 15. The blood vessels, heart and blood make up the A) Digestive System. B) Circulatory System. C) Respiratory System. D) None of above. Show Answer Correct Answer: B) Circulatory System. 16. What do the lungs provide the blood with? A) Oxygen. B) Blood. C) Hydrogen. D) Carbon dioxide. Show Answer Correct Answer: A) Oxygen. 17. What is the type of muscle found in the heart? A) Skeletal Muscle. B) Smooth Muscle. C) Cardiac Muscle. D) Involuntary Muscle. Show Answer Correct Answer: C) Cardiac Muscle. 18. What is the function of the carotid artery? A) Supply blood to the legs and feet. B) Supply blood to the pulmonary artery. C) Supply blood to the brain, neck, and face. D) None of above. Show Answer Correct Answer: C) Supply blood to the brain, neck, and face. 19. Which of these are lymphatic organs? A) Spleen. B) Liver. C) Tonsils. D) Spleen and Tonsil. Show Answer Correct Answer: D) Spleen and Tonsil. 20. The Function of this blood component is to stop the blood bleeding, or it clots the blood if it is exposed to the air. A) Red blood cell. B) Platelets. C) White blood cell. D) Plasma. Show Answer Correct Answer: B) Platelets. ← 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