THE RESPIRATORY SYSTEM. VENTILATION & RESPIRATION. VENTILATION. Ventilation = Breathing – NO gas exchange. Inspiration & Expiration Steps. Diaphragm contracts & lowers. Intercostals contract & lift ribs. Lungs expand. Increased volume in lungs = decreased pressure in lungs.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
VENTILATION & RESPIRATION
Be sure to look at these sites: copy & paste the URL’s
Be sure to look at these sites: type in the URL’s
☆ This will be graded next class with an open-note quiz - you will not turn it in!
Copy & Paste this URL!
Hb + O2 HbO2
☆ Respiratory Rates are VERY susceptible to levels of CO2 in the blood: too high = too acidic – body response = increased breathing
☆ Lung Cancer = #1 cause of cancer death in U.S. & >90% of all cases are b/c of smoking!
☆ #1 infectious disease killer in world
☆ > 2 billion infected & becoming resistant to meds!