4 Where is the pleural cavity located? What is its function? following structure

Question

4 Where is the pleural cavity located? What is its function? following structures of the respiratory tract in the proper order. The structure that comes into contact with oxygenated air first should be number 1, and the structures where gas exchange takes place should be number 12. Oropharynx Trachea Nasal cavity Bronchiole Alveolar duct Larynx Nasopharynx Bronchi Alveolar sac Terminal bronchiole uaryngopharynx Respiratory bronchiole 6 The structure that seals off the nasopharynx during swallowing s clledthe a uvula /rise vocal cord treoli in their walls, are called

Explanation / Answer

4. Pleural cavity is located in space between visceral and parietal pulmonary pleurae of lungs. Parietal pleura are connected with chest wall and visceral helps in covering the lungs and adjacent structures.  

FUNCTION:-

It helps in movement of pleurae to slide smoothly when respiratory movements takes place.

It helps in movements of ribs muscles on the lungs smoothly during heavy breathing.

5.

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