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Understanding Pulmonary Ventilation: Steps, Calculation, & Importance

Learn the mechanism of breathing, steps in inspiration and expiration, and how to calculate pulmonary ventilation. Recall knowledge from last lesson and answer exam question. Resources provided to understand breathing and ventilation better.

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Understanding Pulmonary Ventilation: Steps, Calculation, & Importance

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  1. The Mechanism of Breathing L.O: to describe the steps in inspiration and expiration to define and calculate pulmonary ventilation Starter: Recall knowledge from last lesson and answer this exam q worth 5 marks:

  2. How do we breathe? • http://www.bbc.co.uk/learningzone/clips/how-do-we-breathe/10646.html

  3. Mechanism of Breathing

  4. Mechanism of Breathing

  5. Mechanism of Breathing

  6. Under Pressure • http://www.bbc.co.uk/learningzone/clips/under-pressure/10861.html

  7. Under Pressure http://www.youtube.com/watch?v=aw9PTVmPJAY

  8. Pulmonary Ventilation Pulmonary = Tidal x Ventilation VentilationVolumeRate Total volume of air moved into the lungs in one minute Number of breaths in one minute Volume of air in each breath dm3 min -1dm3min-1

  9. Past Exam Question

  10. Now leave your work from today on my desk please. Thank you

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