This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 450 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 450 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which muscle type is found in your stomach, bladder, and intestines? A) Skeletal. B) Smooth. C) Cardiac. D) Straight. Show Answer Correct Answer: B) Smooth. 2. True Or False:Blood That Has Carbon Dioxide Goes Back To The Heart And Then To The Lungs A) False. B) True. Show Answer Correct Answer: B) True. 3. True or False:Veins carry oxygen poor blood back to the heart. A) True. B) False. Show Answer Correct Answer: A) True. 4. The term that means heart contraction is ..... A) Diastole. B) Systole. C) Tachycardia. D) Fibrillation. Show Answer Correct Answer: B) Systole. 5. What do you call the smallest blood vessels A) Arteries. B) Veins. C) Blood. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 6. A boy is bitten by a venomous snake on his leg, poison will enter his heart via this vessel: A) Aorta. B) Inferior vena cava. C) Superior vena cava. D) Pulmonary artery. Show Answer Correct Answer: B) Inferior vena cava. 7. Haemoglobin is present in ..... A) Red Blood Cells. B) Platelets. C) Plasma. D) Red heart. Show Answer Correct Answer: A) Red Blood Cells. 8. Inflammation of fatty plaque A) Angiosarcitis. B) Atheritis. C) Phlebitis. D) Atherosis. Show Answer Correct Answer: B) Atheritis. 9. Maintaining the acid and base balance of tissues. This includes..... A) Blood function (6). B) Blood components. Show Answer Correct Answer: A) Blood function (6). 10. Where is the heart located in your body? A) Inside your chest. B) Inside your skull. C) In the abdomen. D) None of above. Show Answer Correct Answer: A) Inside your chest. 11. What kind of acid is inside our stomachs? A) Sulphuric acid. B) Hydrochloric acid. C) Angelic acid. D) Temporal acid. Show Answer Correct Answer: B) Hydrochloric acid. 12. A truly life threatening emergency would need A) CPR. B) CAD. C) BP. D) CHF. Show Answer Correct Answer: A) CPR. 13. These are located between the atrium and ventricle. It opens and closed to allow blood to flow in one direction. A) Valves. B) Atrium. C) Ventricle. D) Heart. Show Answer Correct Answer: A) Valves. 14. As blood passes through capillaries in your lungs it gains ..... and loses ..... A) Oxygen / carbon dioxide. B) Carbon dioxide / oxygen. Show Answer Correct Answer: A) Oxygen / carbon dioxide. 15. The double-layered membrane that covers the outside of the heart is the endocardium. A) True. B) False. Show Answer Correct Answer: B) False. 16. ..... does not have blood vessels A) Eyes. B) Nose. C) Ear. D) Nail. Show Answer Correct Answer: A) Eyes. 17. What color is plasma? A) Blue. B) Green. C) Yellow. D) Red. Show Answer Correct Answer: C) Yellow. 18. True or False:Babies' hearts beat faster than adults' hearts. A) True. B) False. Show Answer Correct Answer: A) True. 19. True or False:Human blood is blue. A) True. B) False. Show Answer Correct Answer: B) False. 20. What is the scientific name for red blood cells? A) Erythrocytes. B) Thrombocytes. C) Leukocytes. D) Bloodocytes. Show Answer Correct Answer: A) Erythrocytes. ← 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