Question: Describe innate and adaptive immune systems, how they work and how they interact. Question: Explain the various subclasses of antibodies – how they are similar, how they differ. Question: Define ventilation, external respiration and internal respiration. Be sure to identify their functions and were they occur. Question: Explain the neural control of ventilation including brain centers, sensory and motor signals. Question: Describe how oxygen and carbon dioxide are transported in the ...