The letters m and n represent nasal consonants, the first is bilabial and the second, alveolar.
The sounds for m and n are:
m: man, milk, mother.
n: name, nine, noodles.
To pronounce nasal consonants a stream of air is sent through the nose.
When pronouncing m the lips are closed, the airflow passes through the nasal and oral cavities.
- m: voiced, vocal cords vibrate to produce the sound;
When pronouncing n, the anterior part of the tongue wall touches the upper teeth and alveoli, forming an obstruction. The air flow passes through the nasal and oral cavities.
- n: voiced, vocal cords vibrate to produce the sound.
M and n are nasal consonants, therefore, the nose need is directly related with the pronunciation of these consonants, since the stream of air is sent through that point.
The letter m is bilabial, therefore, it needs to maintain the lips closed blocking the release of air through the mouth, so the airflow needs to pass thorugh the nasal cavities.
- m is voiced, vocal cords vibrate to produce the sound;
The letter n is alveolar, therfore, it places the interior part of the tongue touching the upper teeth and alveoli of the mouth. In this way, the release of air is also obstructed so the air has to pass through the nosal cavities.
- n: is also voiced, so vocal cords vibrate to produce the sound.
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