This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 617 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 617 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the largest major artery in the body? A) Aorta. B) My feet. Show Answer Correct Answer: A) Aorta. 2. Which blood cells are responsible for stopping bleeding? A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 3. Striated muscle fibers (cells) that form the wall of the heart; stimulated by the intrinsic conduction system and autonomic motor neurons is called ..... A) Cardiac muscle. B) Atrium muscle. C) Smooth muscle. D) Circulation muscle. Show Answer Correct Answer: A) Cardiac muscle. 4. This disorder refers to abnormal heart rates and rhythms. The heart can beat too fast, too slowly, or with an irregular rhythm. When a heart beats too fast, the condition is called tachycardia. When a heart beats too slowly, the condition is called bradycardia. A) Arrhythmia. B) Atherosclerosis. C) Heart murmurs. D) Hypertension. E) Hypotension. Show Answer Correct Answer: A) Arrhythmia. 5. Leukocytes can pass through capillary walls. A) True. B) False. Show Answer Correct Answer: A) True. 6. Octopuses use hemoglobin to transport blood A) True. B) False. Show Answer Correct Answer: B) False. 7. What adaptations do capillaries have to help with gas exchange? A) They are very large. B) They have very thin walls. C) They have a double circulation. D) They carry a lot of glucose. Show Answer Correct Answer: B) They have very thin walls. 8. How does the body acquire the oxygen the cells need in order to function? A) Absorption. B) Breathing. C) Osmosis. D) Diffusion. Show Answer Correct Answer: B) Breathing. 9. Adverbs modify all of the following EXCEPT A) Verbs. B) Adjectives. C) Other adverbs. D) Nouns. Show Answer Correct Answer: D) Nouns. 10. Which chambers of the heart contain oxygen rich blood A) Left atriumright atrium. B) Left ventricleright ventricle. C) Left ventricleleft atrium. D) Right ventricleright atrium. Show Answer Correct Answer: C) Left ventricleleft atrium. 11. The pulmonary artery carries blood away from the heart to the lungs A) True. B) False. Show Answer Correct Answer: A) True. 12. Transpiration is the loss of ..... from the ..... of plants A) Water, stem. B) Water, leaves. C) Water vapour, leaves. D) None of above. Show Answer Correct Answer: C) Water vapour, leaves. 13. Blood cells that carry oxygen from the lungs to the body cells. A) Platelets. B) Plasma. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: C) Red blood cells. 14. What is the gas produced in aerobic cellular respiration? A) Oxygen. B) Carbon dioxide. C) Water. D) Nitrogen. Show Answer Correct Answer: B) Carbon dioxide. 15. Bill has type AB blood. If he needs to receive a blood transfusion, which type(s) of blood can he receive? A) A only. B) AB only. C) O only. D) He can receive any blood type. Show Answer Correct Answer: D) He can receive any blood type. 16. What tubes transport water from the roots to the leaves? A) Xylem. B) Phloem. C) Stems. D) Roots. Show Answer Correct Answer: A) Xylem. 17. Highest pressure against blood vessels. Represented by first heat sound A) Diastolic pressure. B) Systolic pressure. C) Hypotension. D) Hypertension. Show Answer Correct Answer: B) Systolic pressure. 18. The largest lymphatic structure is the ..... A) Thymus. B) Lymph node. C) Spleen. D) Tonsils. Show Answer Correct Answer: C) Spleen. 19. What are the smalleset types of blood vessels? A) Veins. B) Arteries. C) Capillaries. D) All of these. Show Answer Correct Answer: C) Capillaries. 20. What is the function of your plasma? A) Transports blood cells. B) Transports oxygen. C) Fights pathogens. D) Blood clotting. Show Answer Correct Answer: A) Transports 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