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Cilia mucus - PowerPoint PPT Presentation

Structures of the Respiratory System

Structures of the Respiratory System. 1/2) Nose: Air enters through the nostrils Then goes to nasal passages Cilia and mucus capture dust, bacteria, etc. Mucus also serves to moisten air Capillaries help warm air as it passes (so through the nose, air is cleaned, moistened, and warmed)

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238 views • 12 slides

Respiratory System

Respiratory System. Air Traffic Control. Air enters mouth or nose Pharynx Epiglottis Trachea Bronchi Bronchiole Alveoli. Keeping It Clean. Nose hair Cilia Mucus * Cilia can be killed by smoking*. Gas Exchange. Alveoli have thin walls Capillary mesh around each alveolus

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168 views • 6 slides

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Cilia mucus - PowerPoint PPT Presentation

Structures of the Respiratory System

Respiratory System