Nasal Cavity
Nasal Cavity
Nasal Cavity:
Nasal Cavity: The space inside the nose. It is an air- filled, hollow and large space that is present above the nose and in the middle of the face. It consists of two cavities, which are the extention of the nostrils(external opening of nose) seprated by the nasal septum.
Function of the nasal cavity : The wall of the nasal cavity are covered with the hair or cilia that trap the dust and harmful particles and purify the inhaled air. The back and forth movement of cilia help in moving the dust particles to the throat where they either get swallowed or excreted through the nasla cavity.
Which of the following are correct ? (a) Air enters the nose through the nasal cavity. (b) Nasal cavity is an air- filled, hollow and large space that is present below the nose and in the middle of the face. (c) The hair, present in the nostrils, stop the dust and germs, from entering the respiratory system. | |||
| Right Option : B | |||
| View Explanation | |||
Air contains dust particles, while inhaling air we also inhale dust particles. | |||
| Right Option : B | |||
| View Explanation | |||
The wall of the nasal cavity are covered with the __________________ that trap the dust and harmful particles and purify the inhaled air. | |||
| Right Option : C | |||
| View Explanation | |||
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8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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Cheshta
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8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
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7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
