This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 220 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 220 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT found within human blood? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Tendons. Show Answer Correct Answer: D) Tendons. 2. What are the smallest blood vessels? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 3. Which explains what happens during exercise? A) Your body uses oxygen initially but eventually switches over to fermentation. B) Your body does fermentation initially but eventually switches over to respiration. C) Your body does photosynthesis initially but eventually switches over to cellular respiration. D) Your body does cellular respiration initially but eventually switches over to photosynthesis. Show Answer Correct Answer: A) Your body uses oxygen initially but eventually switches over to fermentation. 4. Helps fight disease and infection A) White blood cells. B) Red blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) White blood cells. 5. Hemoglobin is A) In RCBs and carry oxygen. B) Required for cellular respiration. C) The pigment that makes blood red. D) All are correct. Show Answer Correct Answer: D) All are correct. 6. Name the system the heart is part of. A) Circulatory. B) Digestive. C) Excretory. D) Nervous. Show Answer Correct Answer: A) Circulatory. 7. The animal transport system consists of: A) A fluid medium to transport substances (the Blood) A pump to push the fluid around the body. B) A fluid medium to transport substances (the Blood). C) A pump to push the fluid around the body Specialised exchange surfaces. D) A fluid medium to transport substances (the Blood) A pump to push the fluid around the body Specialised exchange surfaces. Show Answer Correct Answer: D) A fluid medium to transport substances (the Blood) A pump to push the fluid around the body Specialised exchange surfaces. 8. Which blood vessels carry blood to the heart? A) Capillaries. B) Veins. C) Arteries. D) Arterioles. Show Answer Correct Answer: B) Veins. 9. Cancer that affects bone marrow function A) Lymphoma. B) Hemophilia. C) Leukemia. D) Glioblastoma. Show Answer Correct Answer: C) Leukemia. 10. Evelyn, Mia, and Charlotte are studying biology. They are discussing the circulatory system. Can you help them understand what the circulatory system is? A) A system that circulates blood throughout the body. B) A system that circulates air throughout the body. C) A system that circulates food throughout the body. D) A system that circulates waste throughout the body. Show Answer Correct Answer: A) A system that circulates blood throughout the body. 11. What's located in your right atrium and keeps your heart beating? A) Aorta. B) Septum. C) Pacemaker. D) None of above. Show Answer Correct Answer: C) Pacemaker. 12. What type of circulation moves blood throughout the different parts of the heart? A) Pulmonary. B) Coronary. C) Systemic. D) None of above. Show Answer Correct Answer: B) Coronary. 13. The part of the lungs where gas exchange occurs is/are called. A) Trachea. B) Bronchi. C) Bronchioles. D) Alveoli. Show Answer Correct Answer: D) Alveoli. 14. Blood vessels returning blood to the heart are called ..... A) Artery. B) Vein. C) Capillary. D) Epiglottis. Show Answer Correct Answer: B) Vein. 15. What is the function of valves in the veins? A) To pump blood through the body. B) To filter the blood. C) To allow blood to move in one direction. D) To carry oxygen to the blood. Show Answer Correct Answer: C) To allow blood to move in one direction. 16. The average pulse rate of an adult human being is A) 72/min. B) 82/min. C) 92/min. D) 62/min. Show Answer Correct Answer: A) 72/min. 17. What is the largest artery in the human body? A) Aorta. B) Arteries. C) Veins. D) Lung. Show Answer Correct Answer: A) Aorta. 18. The smallest blood vessels in humans are called A) Xylem. B) Capillaries. C) Arterioles. D) Veins. Show Answer Correct Answer: B) Capillaries. 19. Are the ducts that carry the blood coming out of the heart to the lungs and whole body A) Heart. B) Arteries. C) Veins. D) Capillaries. E) Circulatory system and its parts. Show Answer Correct Answer: B) Arteries. 20. The heart is a hollow organ that has walls made of strong ..... A) Muscle. B) Cartilage. C) Skin. D) Blood. Show Answer Correct Answer: A) Muscle. ← 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