logging in or signing up Mechanics-of-Breathing aSGuest129871 Download Post to : URL : Related Presentations : Let's Connect Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 575 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: March 18, 2012 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript PowerPoint Presentation: The Mechanics of BreathingDIAPHRAGM: DIAPHRAGM Dome-shaped muscle attached to rib cage that contracts & flattens out during breathingPowerPoint Presentation: Observe what happens to the diaphragm.PowerPoint Presentation: PRESSURE force of air pressing down Less air particles- Low air pressure More air particles- High air pressurePowerPoint Presentation: High to Low Pressure (Many to Less) How do you change the pressure?PowerPoint Presentation: Air pressure (outside air) Air pressure (empty space) Air pressure (inside balloonBreathing – The Lungs: Breathing – The Lungs Breathing animation "nature hates a vacuum" http://www.biosci.ohiou.edu/introbioslab/Bios170/diffusion/Diffusion.htmlBreathing in - inhaling: Breathing in - inhaling Rib cage expands Diaphragm moves downward Pressure reduces inside lung Result – air is drawn into the lungsBreathing out - exhaling: Breathing out - exhaling Rib cage contracts Diaphragm moves upward / inward Pressure increases inside lung Result – air is pushed out of the lungPowerPoint Presentation: BREATHINGBreathing – The Lungs: Breathing – The Lungs Breathing animation Write a paragraph explanation/ summary on how breathing works. Discuss the role of the ribcage and the diaphragm and how these creates a pressure difference so breathing can take place. "nature hates a vacuum" http://www.biosci.ohiou.edu/introbioslab/Bios170/diffusion/Diffusion.html You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.