Ciliated Epithelial Cell in upper airways
- Trap dust and bacteria - Sweep it towards the throat by wafting together
Squamous Epithelial Cell of alveolus wall and capillary wall
- To allow gas exchange
Goblet Cell in upper airways
- To produce and release mucus - To help lubricate the tissues
White Blood Cell in alveolus
- to find and destroy bacteria - To fight infection
Red Blood Cell in capillaries
- Collect oxygen in the alveoli and transport it around the body
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