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Name: ___________________________________ Respiratory System Study Guide Label the diagram below: NOSE MOUTH PHARYNX LARYNX TRACHEA BRONCHI BRONCHIOLES ALVEOLI DIAPHRAGM PLEURA Name: ___________________________________ Write the word that best describes the definitions below: 1. The gas we breathe in. OXYGEN 2. The little branches in our lungs. BRONCHIOLES 3. Hairs that clean the air we breathe. CILIA 4. The air sacs in our lungs. ALVEOLI 5. The structure that enables us to speak/voice box. LARYNX 6. The tube that connects the throat and bronchi. TRACHEA 7. The two large organs that help us to breathe. LUNGS 8. The muscle that controls the size of our chest cavity. DIAPHRAGM Match the word with the correct definition/function: 9. F Carbon Dioxide 10. G Left 11. A Contracts 12. C Pleura 13. B Capillaries 14. D Brain A. What the diaphragm does when you breathe in. B. Allow oxygen to enter the blood. C. Slick layer covering the lungs. D. Controls the rate of breathing. E. Where the respiratory and circulatory systems meet. F. The waste product you breathe out. G. The side of the lung with two lobes. 15. E Air sacs Write the correct order of oxygen and carbon dioxide exchange: Name: ___________________________________ Going in to the body: 1) Inhale 2) Nose traps germs in air 3) Air moves down the trachea 4) Air moves through the bronchi into the bronchioles 5) Alveoli receive oxygen to pass to blood 6) Oxygen passes into the blood 7) Oxygen-rich blood flows to the heart 8) Heart pumps oxygen-rich blood to the body Coming out of the body: 9) Blood picks up carbon dioxide from the body 10) Heart pumps carbon dioxide rich blood to the lungs 11) Alveoli receives carbon dioxide from the blood 12) Carbon dioxide moves from bronchioles to bronchi 13) Carbon dioxide flows up the trachea 14) Carbon dioxide flows out the nose and mouth 15) Exhale 16. What is the definition of Bronchitis? Inflammation of mucus membranes in the bronchial tubes. 17. What is the definition of Cystic Fibrosis? Hereditary disease that causes the mucus membranes in the body to produce too much mucus. Name: ___________________________________ 18. What is the cause of asthma? Airborne substances, certain foods or common bacteria/viruses. 19. What is Pneumonia? Inflammation of air sacs in the lungs. 20. How can Emphysema be prevented? Avoid exposure to pollution and not smoking. 21. Which lung has 3 lobes and which lung has two lobes? Right lung has three lobes and the left lung has two lobes.