This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 179 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 179 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the function of circulatory system? A) Transportation of substances. B) Regulating body activities by transporting hormones. C) Maintaining body temperature. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. What type of cells carry oxygen? A) Red blood cells. B) White blood cells. C) Neurons. D) None of above. Show Answer Correct Answer: A) Red blood cells. 3. Some leukocytes are red in colour? A) True. B) False. Show Answer Correct Answer: B) False. 4. Little air sacs that have thing walls with fluid film surrounding it. A) Lungs. B) Nostrils. C) Bronchi. D) Pharynx. E) Alveoli. Show Answer Correct Answer: E) Alveoli. 5. Which blood vessels are thin, small and porous enough to exchange substances with tissues? A) Venules. B) Small arteries. C) Veins. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 6. Which of the following statement is TRUE about arteries? A) Some of the arteries are thin-walled that can withstand low pressure of the blood. B) All arteries carry blood away from the heart to the different parts of the body. C) The deoxygenated gas is brought by all the arteries which will be eliminated through respiration. D) The valves are present in these structures that are inferior towards the heart. Show Answer Correct Answer: B) All arteries carry blood away from the heart to the different parts of the body. 7. What is the purpose of blood vessels in the circulatory system? A) Store excess blood. B) Filter impurities from the blood. C) Produce new blood cells. D) Transport blood throughout the body. Show Answer Correct Answer: D) Transport blood throughout the body. 8. This triggers contraction in the ventricle: A) Because of the difference. B) AV node. C) QT node. D) AV Bundles. Show Answer Correct Answer: B) AV node. 9. Place the following layers of skin in order, from outermost to innermost:A) Dermis; B) Epidermis; C) Hypodermis A) C A B. B) B A C. C) A B C. D) B C A. Show Answer Correct Answer: B) B A C. 10. The hamstring muscle on the thigh region when contracts, the angle between the 2 bones to which the muscle is attached decreases. This is a ..... ? A) Flexor. B) Extensor. C) Both extensor and flexor. D) Neither flexor nor extensor. Show Answer Correct Answer: A) Flexor. 11. What is the term for tissues grouped together to perform a specific function? A) Cell. B) Tissue. C) Organ. D) Organ system. Show Answer Correct Answer: C) Organ. 12. The body system that moves blood around the body A) Capillaries. B) Platelets. C) Circulatory System. D) Heart. Show Answer Correct Answer: C) Circulatory System. 13. The transfer of oxygen, carbon dioxide, waste, and water occurs at which of the following blood vessels? A) Arteries. B) Arterioles. C) Capillaries. D) Veins. Show Answer Correct Answer: C) Capillaries. 14. When oxygen-rich blood from the lungs is pumped to the rest of the body so the cells can use the oxygen-oxygen-poor blood is then returned to the heart is ..... A) Circulation. B) Systemic Circulation. C) Pulmonary Circulation. D) Heart Circulation. Show Answer Correct Answer: B) Systemic Circulation. 15. The circulatory system is also known as- A) The respiratory system. B) The nervous system. C) The cardiovascular system. D) The skeletal system. Show Answer Correct Answer: C) The cardiovascular system. 16. A recording of the electrical events occurring during the cardiac cycle is called an ..... A) EKG. B) ATP. C) IS. D) MRI. E) PET. Show Answer Correct Answer: A) EKG. 17. When there is a hole in the heart between the two sides of the heart. A) Blood Clot. B) SADS/SIDS. C) Aneurysm. D) Atrial Septal Defect. E) Aortic Stenosis. Show Answer Correct Answer: D) Atrial Septal Defect. 18. Hydrophobic nutrients leave the intestinal villi through the A) Hepatic portal system. B) Hepatic vein. C) Lymphatic capilalries. D) Capillary beds. Show Answer Correct Answer: C) Lymphatic capilalries. 19. What side of the heart receives sends oxygen rich blood back to the body A) The upper side. B) The lower side. C) The right side. D) The left side. Show Answer Correct Answer: D) The left side. 20. Can the heart continue beating disconnected from the body? A) True. B) False. Show Answer Correct Answer: A) True. ← 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