This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 114 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 114 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Blood flows in the following sequence in the heart:Superior vena cava/Inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonic valve, pulmonary artery, lungs, pulmonary vein, left atrium, bicuspid valve, left ventricle, aortic valve, aorta A) True. B) False. Show Answer Correct Answer: A) True. 2. Identify the correct organs for the Circulatory System: A) Mouth, Esophagus, Stomach, Small and Large Intestines. B) Nose, Trachea, Lungs. C) Heart, Veins, Arteries. D) None of above. Show Answer Correct Answer: C) Heart, Veins, Arteries. 3. ..... are the 4 blood types. A) O. B) A. C) B. D) All. Show Answer Correct Answer: D) All. 4. Which of the following structures have a role in transporting substances in plants? A) Arteries & veins. B) Arteries and xylem. C) Arteries and phloem. D) Xylem & phloem. Show Answer Correct Answer: D) Xylem & phloem. 5. Which activity should raise your heart rate the most? A) Stretching. B) Running a mile. C) Sitting on a chair. D) Stationary lunges. Show Answer Correct Answer: B) Running a mile. 6. I Carry DEOXYGENATED blood from the from the RIGHT ventricle to the lungs A) Pulmonary artery. B) Pulmonary Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: A) Pulmonary artery. 7. What are Leukocytes? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: B) White blood cells. 8. Hematopoiesis A) Structure of blood. B) Dilation of blood. C) Production of blood. D) Protection of blood. Show Answer Correct Answer: C) Production of blood. 9. What is the significance of the pathways in the circulatory system? A) Coordinate contraction of the heart. B) None of the above. C) Direct blood where it should go. D) None of above. Show Answer Correct Answer: C) Direct blood where it should go. 10. It is the pigment that gives color to the blood. A) Melanin. B) Keratin. C) Hemoglobin. D) None of above. Show Answer Correct Answer: C) Hemoglobin. 11. What is the primary function of arteries? A) To carry blood toward the heart. B) To carry blood away from the heart. C) To transport waste-rich blood to the lungs. D) To allow blood to move in one direction. Show Answer Correct Answer: B) To carry blood away from the heart. 12. Where does blood flow after entering the left ventricle? A) Pulmonary Vein. B) Pulmonary Artery. C) Aorta. D) Vena Cava. Show Answer Correct Answer: C) Aorta. 13. Which blood vessel has thick walls? A) Capillaries. B) Ducts. C) Veins. D) Arteries. Show Answer Correct Answer: D) Arteries. 14. The coronary arteries are found in the A) Head/neck. B) Chest. C) Arms. D) Legs. Show Answer Correct Answer: B) Chest. 15. Which component of blood is responsible for forming blood clots in order to stop bleeding? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 16. Body Cavity in which Heart is present A) Cranial. B) Orbital. C) Thoracic. D) Abdominal. Show Answer Correct Answer: C) Thoracic. 17. Through which vessel does gas exchange happen? A) Artery. B) Vein. C) Capillaries. D) Liver. Show Answer Correct Answer: C) Capillaries. 18. This chamber of the heart RECEIVES blood returning from the lung A) Right Atrium. B) Right Ventricle. C) Left Atrium. D) Left Ventricle. Show Answer Correct Answer: C) Left Atrium. 19. The lymph nodes, tonsils and spleen are parts of the ..... system. A) Circulatory system. B) Respiratory system. C) Lymphatic system. D) None of above. Show Answer Correct Answer: C) Lymphatic system. 20. What function does the heart do? A) Protects organs and produces red blood cells. B) Generates heat. C) Breaks down food into nutrients. D) The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows. Show Answer Correct Answer: D) The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows. ← 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