How does sound production differ between humans and dolphins?

The dolphins has a larnyx like that of the humans to vocalise the sounds in water. Dolphin also produces high pitched sounds using the air sacs present in their head. The air sacs contain air at a high pressure which on getting released makes a trilling sound.

In humans, the sound is produced by the blowing air from the wind pipe, and larynx (sound box) modulates it add vocalisations. The tongue and the lips also help in the vocalisation of this generated sound.

The dolphins has a larynx like that of the people to vocalize the sounds in water.

Explanation:

Dolphin additionally creates piercing sounds utilizing the air sacs present in their mind. The air sacs contain air at a high weight which on getting discharged makes a trilling sound.  In people, the sound is delivered by the blowing air from the breeze pipe, and larynx (sound box) adjusts it include vocalizations. The tongue and the lips likewise help in the vocalization of this created sound.

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