In understanding the breathing mechanism, we have to understand the anatomy and physiology of respiratory system.
These are the respiratory system anatomy/ function/ structure:
1. Nose: Air filter; Contain hair and conchae
2. Pharynx: Air flow/ Air ventilation; Wet surface
3. Larynx: Air flow/ Air ventilation; Wet surface
4. Trachea/ Bronchus: Air flow/ Air ventilation; Semi-ring like cartilage- maintain tubular shape from collapse
5. Bronchioles: Air flow/ Air ventilation; Small branches of bronchus
6. Alveolus: Gas exchange; Simple squamous cell layer; contain surfactant
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