Question

explain briefly mechanism of sound in human being

Answer 1

The human voice consists of sound made by a human being using the vocal tract, such as talking, singing, laughing, crying, screaming, etc. ... Generally speaking, the mechanism for generating the human voice can be subdivided into three parts; the lungs, the vocal folds within the larynx (voice box), and the articulators.
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Answer 2

our ear consists of three parts outer middle and inner ear.The pinna of the outer ear picks up sound and transfers it to the middle ear and strikes eardum. the ear ossicles the transfers the sound wave to inner ear. The cochlea contains hair like processes which transfers the impulse to the brain through auditory nerve.