This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 642 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 642 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The blood vessels that bring blood in toward the heart A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 2. This skeletal system provides ..... for the body. A) Warmth. B) Protection. C) Structure. D) Mucus. Show Answer Correct Answer: C) Structure. 3. What causes blood to clot? A) White blood cells. B) Plasma. C) Red blood cells. D) Platelets. Show Answer Correct Answer: D) Platelets. 4. What is the function of the excretory system? A) Transport blood throughout the body. B) Rid the body of toxins and waste. C) Transport oxygen into the blood cells. D) Structure and body movements. Show Answer Correct Answer: B) Rid the body of toxins and waste. 5. A child was admitted to the emergency department with a nosebleed. He was treated by injecting the clotting factor. What was the child's diagnosis? A) Anemia. B) Leukemia. C) Hemophilia. D) Septicemia. Show Answer Correct Answer: C) Hemophilia. 6. The strong muscular wall separating the left side of the heart from the right side is called the ..... A) Septum. B) Vena Cava. C) Aorta. D) Pancreas. Show Answer Correct Answer: A) Septum. 7. Arteries carry blood ....., veins carry blood ..... A) Back to the heart, away from the heart. B) Away from the heart, back to the heart. Show Answer Correct Answer: B) Away from the heart, back to the heart. 8. Valves are needed to prevent blood from flowing in the wrong direction. A) True. B) False. Show Answer Correct Answer: A) True. 9. What organ in the lungs puts oxygen into the blood? A) Bronchioles. B) Bronchi Yubes. C) Diaphragm. D) Alveoli. Show Answer Correct Answer: D) Alveoli. 10. Find the words that fill in the blanks correctly.The circulatory system ..... needed substances and ..... waste. A) Carries and adds. B) Transports and delivers. C) Transports and removes. D) Removes and adds. Show Answer Correct Answer: C) Transports and removes. 11. A small flap of tissue, called a ....., keep blood from flowing backward. A) Valve. B) Atrium. C) Ventricle. D) Capillary. Show Answer Correct Answer: A) Valve. 12. The ventricles do not function properly, causing blood to collect in the heart. What is this condition? A) Angina pectoris. B) Myocardial infarction. C) Pulmonary edema. D) Heart failure. Show Answer Correct Answer: D) Heart failure. 13. The valve that is located between the right ventricle and the pulmonary artery. A) Tricuspid Valve. B) Pulmonary Valve. C) Mitral Valve. D) Aortic Valve. Show Answer Correct Answer: B) Pulmonary Valve. 14. The cells that carry oxygen to body cells are A) Leukocytes. B) Lymphocytes. C) Erythrocytes. D) Monocytes. Show Answer Correct Answer: C) Erythrocytes. 15. What part of blood is responsible for carrying oxygen and carbon dioxide to body cells? A) Erythrocytes. B) Leukocytes. C) Thrombocytes. D) Plasma. Show Answer Correct Answer: A) Erythrocytes. 16. Mason, Isla, and Hannah had a meal together. After digestion, what molecules does their circulatory system pick up from the digestive system? A) Glucose and amino acids. B) Proteins and fats. C) Vitamins and minerals. D) Water and fiber. Show Answer Correct Answer: A) Glucose and amino acids. 17. The chambers of the heart are called the A) Left and right atria, left and right ventricles. B) Left and right alveoli. C) Left and right top rooms, left and right bottom rooms. D) Left and right vesicles. Show Answer Correct Answer: A) Left and right atria, left and right ventricles. 18. What blood type can receive blood from both Type B and Type AB donors? A) Type AB. B) Type B. C) Type A. D) Type O. Show Answer Correct Answer: A) Type AB. 19. Muscular organ that pumpsblood throughout the body is ..... ? A) Circulatory System. B) Heart. C) Veins. D) Arteries. Show Answer Correct Answer: B) Heart. 20. What happens to arteries in your legs when you run? A) Contract. B) Stay the same. C) Expand. D) Shrink. Show Answer Correct Answer: C) Expand. ← 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