This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 506 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 506 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What does blood carry to our body's cells? A) Food. B) Toys. C) Oxygen and nutrients. D) None. Show Answer Correct Answer: C) Oxygen and nutrients. 2. How many times does the ventricle pump blood to gills in the fish during one circulation? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 3. The main function of circulatory system is A) Transport blood, nutrients, and gases throughout the body. B) To give the body structure and support. C) To transport messages from the body to the brain. D) To excrete waste. Show Answer Correct Answer: A) Transport blood, nutrients, and gases throughout the body. 4. The main job of platelets is to A) Fight off infection. B) Transport oxygen. C) Create blood clots. D) Carry carbon dioxide. Show Answer Correct Answer: C) Create blood clots. 5. Which of the following statements about blood flow through the heart is NOT true? A) The left atrium receives oxygenated blood from the lungs. B) The right ventricles receives oxygenated blood from the right atrium. C) Oxygenated blood exits the left ventricle through the aorta. D) Deoxygenated blood travels from the right side of the heart to the lungs. Show Answer Correct Answer: B) The right ventricles receives oxygenated blood from the right atrium. 6. Which blood vessel allows for exchange of materials from blood to cells? A) Artery. B) Vein. C) Capillary. D) Macrophage. Show Answer Correct Answer: C) Capillary. 7. What prevents blood from going backwards/pooling in the heart? A) Valves. B) Atria. C) Ventricles. D) Veins. Show Answer Correct Answer: A) Valves. 8. Which of the following is NOT true of hematopoiesis? A) It occurs in the red bone marrow of adults. B) It begins with a monocyte. C) It is stimulated by epinephrine. D) It causes the differentiation of all types of blood cells. Show Answer Correct Answer: B) It begins with a monocyte. 9. The double walled outer layer of the heart is the: A) Myocardium. B) Endocardium. C) Pericardium. D) Epicardium. Show Answer Correct Answer: C) Pericardium. 10. Name the four chambers of the heart. A) Front atrium, back atrium, front ventricle, back ventricle. B) Big atrium, small atrium, big ventricle, small ventricle. C) Right atrium, right ventricle, left atrium, and left ventricle. D) Upper atrium, lower atrium, upper ventricle, lower ventricle. Show Answer Correct Answer: C) Right atrium, right ventricle, left atrium, and left ventricle. 11. Which type of blood vessel allow the exchange of gases and nutrients between the blood and the cells of the body? A) Veins. B) Arteries. C) Capillaries. D) None of above. Show Answer Correct Answer: C) Capillaries. 12. In a mammal, oxygenated blood is carried to the left atrium via the ..... A) Pulmonary artery. B) Aorta. C) Pulmonary veins. D) Vena cava. Show Answer Correct Answer: C) Pulmonary veins. 13. Blood vessels that take the blood from the heart to the organs A) Arteries. B) Veins. C) Capillaries. D) All of them. Show Answer Correct Answer: A) Arteries. 14. The system of blood vessels and the heart A) Circulatory system. B) Heart valve. C) Right atrium. D) Vein. Show Answer Correct Answer: A) Circulatory system. 15. This type of blood cell is responsible for binding and transporting oxygen, and is what gives blood its red color. A) Red Blood Cell. B) White Blood Cell. C) Antibodies. D) Platelets. Show Answer Correct Answer: A) Red Blood Cell. 16. What is the definition of cardiac cycle? A) The contraction of atrium. B) Circulation of blood in heart. C) Contraction of ventricles. D) It is the sequence of event takes place during one complete heart beat. It includes systole and diastole. Show Answer Correct Answer: D) It is the sequence of event takes place during one complete heart beat. It includes systole and diastole. 17. The colour of blood is red due to the presence of A) Chlorophyll. B) Food colour. C) Haemoglobin. D) None of above. Show Answer Correct Answer: C) Haemoglobin. 18. Amoeba sp. can exchange substances and gaseous through ..... because it is an unicellular cell. A) Osmosis. B) Diffusion. C) Active transport. D) None of above. Show Answer Correct Answer: B) Diffusion. 19. The pulmonary artery carries what? A) Oxygenated blood. B) Deoxygenated blood. Show Answer Correct Answer: B) Deoxygenated blood. 20. In the human body, our ..... system moves our blood-which contains both glucose and oxygen-to every cell. A) Circulatory. B) Digestive. C) Respiratory. D) Nervous. Show Answer Correct Answer: A) Circulatory. ← 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