When food enters from esophagus, one of the functions of the stomach is to produce and release enzymes. These enzymes help in the digestive mechanism. The pH here is two (2) that provides the optimum acidity environment for the maximum activity of pepsin, a protein-digesting enzyme.
The clavichord is a European stringed keyboard instrument known from the late Medieval, through the Renaissance, Baroque and Classical eras. Historically, it was mostly used as a practice instrument and as an aid to composition, not being loud enough for larger performances. The clavichord produces sound by striking brass or iron strings with small metal blades called tangents. Vibrations are transmitted through the bridge(s) to the soundboard.
Why was the clavichord invented? The clavichord is a type of keyboard instrument that is believed to  have been invented in the 14th century. The first written  references to the instrument occur at the tur â¦ n of the 1500s.It is  very likely that the clavichord evolved from the monochord, which  was used to teach the theory of musical intervals.hy was the clavichord invented? The clavichord is a type of keyboard instrument that is believed to  have been invented in the 14th century. The first written  references to the instrument occur at the tur â¦ n of the 1500s.