respiratory system 0.0 / 5 ? FunFunNone Created by: EggBabbyCreated on: 30-12-20 13:57 2361574 Across 1. wind pipe, held open by a c shaped cartilage rings. helps animals to cough (7) 4. splits the trachea to funnel the air evenly into both lungs (7) 5. funnels the air down towards the larynx (7) Down 2. contains cilia to filter pathogens and bacteria out if the air breathed in.Contains mucus to warm up and moistens air. (5, 8) 3. contains the epiglottis- smooth muscle flaps that close during swallowing (6) 6. spreads air evenly across each lung (11) 7. site of gas exchange in the lungs via diffusion (7)
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