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The Respiratory System (Anatomy of lower respiratory tract (Pleura/Lungs…

- - - - Maxillary Sinuses; Frontal Sinuses
      - Ethmoid Sinuses
      - Sphenoid Sinuses
    - - Clean, warm, humidify the incoming air
      - Gives voice resonance (nasal sound)
  - - - Nasopharynx- P.C.C.E
      - Oropharynx & Laryngopharynx- Stratified Squamous
- - - - Voice production
      - Provides open airway
      - Makes air/food go to the correct place
  - - - Partial rings of cartilage- hyaline
      - P.C.C.E Tissue
      - Anterior to esophagus
  - - - Large to smaller
      - Cartilage; less and less the smaller it gets
      - P.C.C.E Tissue and Smooth muscle
    - - Less than 1mm in diameter
      - No cartilage
      - No cili; pseudostratified columnar epithelium
      - Smooth muscle
- - - - Alveolar & capillary walls & their fused basal lamina
      - Function- O2 and CO2 exchanged between alveolus and blood.