Scientist: ___________________________ Respiration Virtual Lab How do the parts of the respiratory system work together? Directions: Complete the following questions based on the Respiration and Excretion Virtual Lab loaded on your computer by clicking 2x client, life science virtual lab, virtual labs, and then respiration virtual lab. 1. What 3 things is the respiratory system made up of? 1. 2. 3. 2. Breathing is a ( voluntary, involuntary ) process. 3. When rib muscles and the diaphragm contract, is someone inhaling or exhaling? 4. What are the 2 places in which air can enter the body? 5. What covers the trachea during swallowing? 6. What does cilia prevent? 7. Click on the 6 structures in the diagram of the respiratory system. For each list a description and a function (what it does.) - Nasal Cavity- - Larynx- - Lungs- Scientist: ___________________________ - Pharynx- - Trachea- - Diaphragm- 8. Use the numbers at the top of the page to sequence each structure used in inhalation by dragging a number next to it. Copy the order below: 1) 2) 3) 4) 5) 6) 9. How does the diaphragm work to change air pressure in the lungs, and as a result, cause breathing? 10. How do the respiratory system and the circulatory systems work together?