Date where is the pleural cavity located? What is its function? 4 5 Number the f

Question

Date where is the pleural cavity located? What is its function? 4 5 Number the following structures of the respiratory tract in the proptures where gas ex contact with oxygenated air first should be number 1 should be number 12, , and the structures where gas excharvge takes p Oropharynix Trachea Nasal cavity Alveolar duct Larynx Nasopharynx Bronchi Alveolar sac Laryngopharynx Respiratory bronchiole nes 6 The structure that seals off the nasopharynx during swallowing is called the a uvula b. false vocal cord C. true vocal cord d. epiglottis. The first passages of the respiratory zone, which have alveoli in their walls, are calle a. terminal bronchioles b. respiratory bronchioles c. alveolar ducts d. alveolar sacs. Respiratory Syste

Explanation / Answer

4. The pleural cavity is the thin fluid-filled space between the two pulmonary pleural membranes of lung.The outer pleura is known as visceral pleura and thes inner pleura is known as parietal pleura.

The pleural cavity helps the proper functioning of the lungs during breathing. The pleural cavity remains filled with pleural fluid. This fluid acts as a lubricant and allows the pleurae to slide effortlessly against each other during respiratory movements. The pleural cavity also helps in the movements of the ribs muscles to the lungs, particularly during heavy breathing.

5.

1.  nasal cavity

2. nasopharynx

3. oropharynx

4. laryngopharynx

5. larynx

6. Trachea

7. bronchi

8. broncheoles

9. respiratory bronchioles

10. terminal bronchioles

11.alveolar duct

12. alveolar sac.

6. The structure that seals off the nasopharynx during swallowing is called UVULVA.During swallowing, the soft palate and the uvula move upward to close off the nasopharynx, preventing food from entering the nasal cavity.

7. Respiratory bronchioles is the first passage for the respiratory zone which contains alveoli in their walls. The terminal bronchioles form the last branch of the conducting airways, after which the gas exchange areas of the lungs begin that is known as Respiratory bronchioles.

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