1.Lloyd Dean Respiratory System2. Lesson Objectives By the end of the lesson you should be able to: Describe the structure and function of the respiratory system Identify,…
1.Topic 5.5Gas Exchange2. Ventilation: for gas exchange • The flow of air in and out of the alveoli is called ventilation and has two stages: inspiration (or inhalation)…
Slide 1 Understanding Air Pressure Chapter 19, Section 1 Slide 2 Air Pressure Defined Air pressure is simply the pressure exerted by the weight of air above Average…