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.
Medical Dictionary. clavicle. play. noun clavÂ·iÂ·cle \Ëklav-i-kÉl\. Medical Definition of clavicle. : a bone of the shoulder girdle that links the scapula and sternum, is situated just above the first rib on either side of the neck, and has the form of a narrow elongated Sâcalled also collarbone.