This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 432 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 432 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Maintaining the stability of his body temperature includes..... A) Blood function (6). B) Blood components. Show Answer Correct Answer: A) Blood function (6). 2. Which ventricle of the heart is stronger? A) Right side. B) Left side. Show Answer Correct Answer: B) Left side. 3. Blood is red in most arteries. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 4. What is blood vessels? A) Blood vessels are thin tubes that run through the entire body to transport blood. B) Blood vessels is a fluid that is carried by blood to all the parts of the body. Show Answer Correct Answer: A) Blood vessels are thin tubes that run through the entire body to transport blood. 5. Angina Pectoris is known as heart attack in popular language. Is the above statement true or false? A) True. B) False. Show Answer Correct Answer: B) False. 6. The ..... and ..... valves control the flow of blood as it leaves the heart. A) Mitral / tricuspid. B) Aortic / pulmonary. Show Answer Correct Answer: B) Aortic / pulmonary. 7. ..... transport oxygen in our bodies. A) Red blood cells. B) White blood cells. C) Water. D) None of above. Show Answer Correct Answer: A) Red blood cells. 8. Pector/o A) Circular. B) Chest. C) Crown or circle. D) To choke. Show Answer Correct Answer: B) Chest. 9. Which blood vessel allows the exchange of gasses within tissues? A) Vein. B) Vena cava. C) Capillary. D) Aorta. Show Answer Correct Answer: C) Capillary. 10. How thick are capillaries walls? A) 5 cells. B) 3 cells. C) 1 cell. D) 10 cells. Show Answer Correct Answer: C) 1 cell. 11. What enzyme is found in saliva that starts digesting carbohydrates? A) Amylase. B) Chyme. C) Pepsin. D) Bile. Show Answer Correct Answer: A) Amylase. 12. The aorta is what type of blood vessel? A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Arteries. 13. The most "muscular" blood vessel ..... A) Artery. B) Vein. C) Capillary. D) None of above. Show Answer Correct Answer: A) Artery. 14. What is the role of veins in the circulatory system? A) Carry oxygenated blood from the lungs to the body's tissues. B) Carry carbon dioxide and waste towards the heart. C) Exchange of nutrients, oxygen, and waste products with tissues. D) Pump blood through the body. Show Answer Correct Answer: B) Carry carbon dioxide and waste towards the heart. 15. The average blood pressure is A) 120/80. B) 80/120. C) 115/180. D) 120/180. Show Answer Correct Answer: A) 120/80. 16. Varicose veins are dilated, swollen veins that have lost elasticity and cause stasis (decreased blood flow.) A) True. B) False. Show Answer Correct Answer: A) True. 17. The part of the blood responsible for transporting waste and making blood flow is the A) Plasma. B) Platelets. C) White blood cells. D) None of above. Show Answer Correct Answer: A) Plasma. 18. Which blood vessel carries the blood to our body? A) Veins. B) Capillaries. C) Artillery. D) None of these. Show Answer Correct Answer: A) Veins. 19. What is the function of a vein? A) Carries blood away from the heart. B) Carries blood back to the heart. C) Exchanges gases between blood and body cells. D) Pumps blood throughout the body. Show Answer Correct Answer: B) Carries blood back to the heart. 20. Platelets carry nutrients, hormones, proteins, and other substances to the cells. A) False. B) True. Show Answer Correct Answer: A) False. ← 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