This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 679 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 679 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the yellowish liquid that carries nutrients and proteins through the body? A) Red. B) White. C) Plasma. D) Platelets. Show Answer Correct Answer: C) Plasma. 2. Which leukocyte engulfs bacteria in tissues? A) Neutrophils. B) Monocytes. C) Eosinophils. D) Basophils. Show Answer Correct Answer: A) Neutrophils. 3. The muscle in the heart is called the A) Myocardium. B) Endocardium. C) Pericardium. D) Mediastinum. Show Answer Correct Answer: A) Myocardium. 4. We breath in oxygen through ..... A) Circulatory system. B) Skeletal system. C) Respiratory system. D) Digestive system. Show Answer Correct Answer: C) Respiratory system. 5. Which best describes the relationship between the cardiovascular system and the muscular system? A) The cardiovascular system captures carbon dioxide from the air for muscle energy. B) The cardiovascular system produces red blood cells to bring oxygen to muscles. C) The cardiovascular system provides a framework for muscle movement. D) The cardiovascular system delivers oxygen for muscle energy. Show Answer Correct Answer: D) The cardiovascular system delivers oxygen for muscle energy. 6. The heart muscle is called the ..... * A) Myocardium. B) Pericardium. C) Endocardium. D) Epicardium. Show Answer Correct Answer: A) Myocardium. 7. Which system of the human body provides protection to most of the major organs? A) Nervous System. B) Muscular System. C) Skeletal System. D) Circulatory System. Show Answer Correct Answer: C) Skeletal System. 8. Membrane that covers the heart A) Pleura. B) Pericardium. C) Peritoneum. D) Meninges. Show Answer Correct Answer: B) Pericardium. 9. Which of the following carries waste products such as carbon dioxide back to the heart? A) Arteries. B) Veins. C) Capillaries. D) Platelets. Show Answer Correct Answer: B) Veins. 10. What does the blood vessel carry towards the heart? A) Water. B) Oil. C) Blood. D) Juice. Show Answer Correct Answer: C) Blood. 11. Which ORGAN helps to pump the blood? A) Heat. B) Lungs. Show Answer Correct Answer: A) Heat. 12. Tricuspid valve is present between A) Left atrium and Left ventricle. B) Right atrium and Right ventricle. C) Left atrium and Right atrium. D) Right ventricle and Left ventricle. Show Answer Correct Answer: B) Right atrium and Right ventricle. 13. The Pulmonary circuit circulates blood ..... A) From the heart to the lungs and back. B) From the rest of the body and back to the heart. C) From the toes back up to the heart. D) From the brain down to the toes. Show Answer Correct Answer: A) From the heart to the lungs and back. 14. What is the function of White Blood Cells in the body? A) Carry oxygen throughout the body. B) Fight infections. C) Help in clotting of blood. D) Carry nutrients, hormones, and proteins throughout the body. Show Answer Correct Answer: B) Fight infections. 15. If your blood has the protein called Rh factor, your blood type will be + or-? A) +. B) -. Show Answer Correct Answer: A) +. 16. The flow of blood pumped by the heart in the body is called..... A) Vascular system. B) Digestive system. C) Respiratory system. D) Blood pumping system. Show Answer Correct Answer: A) Vascular system. 17. A irregular heartbeat or rhythm. A) Polarization. B) Depolarization. C) Arrhythmia. D) Fibrillation. Show Answer Correct Answer: C) Arrhythmia. 18. The valve through which blood pases from the right atrium into the right ventricle A) Tricuspid valve. B) Mitral valve. C) Aortic valve. D) Pulmonary valve. Show Answer Correct Answer: A) Tricuspid valve. 19. Where does electrical signal start in the heart? A) Because of the difference. B) IN Node. C) HP Node. D) VA Node. Show Answer Correct Answer: A) Because of the difference. 20. What is the instrument that is used to measure blood pressure called? A) Cuff. B) Sphygmomanometer. C) Stethoscope. D) Thermometer. Show Answer Correct Answer: B) Sphygmomanometer. ← 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