It is mentioned that the oropharynx is further divided into two tubes so it will be oropharynx is divided or pharynx because you mentioned the meeting place of nasopharynx and oropharynx as pharynx??2) mucus in nasal Chambers is secreted by goblet cells which are situated in the chamber?

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Solution

Dear Anu, 1. yes Oro-pharynx is the part of pharynx arising from the oral region. So yes that only further divides to give food pipe and wind pipe. 2. yes .

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\begin{matrix} Parts of pharynx & Description 1. Nasopharynx & i) It is the bottom part of the pharynx and it guides the food and air to pass through different passages. 2. Oropharynx & ii) It is the upper part of the pharynx and is connected to the nasal cavity. 3. Laryngopharynx & iii) It is the middle region of the pharynx and is connected to the mouth. \end{matrix}

The lining of the nasal chamber has mucus which prevents pollen and dust particles from entering into the lungs.

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