The membrane is made up of irregular dense connective tissue, which is divided into two layers called the fibrous layer and the cambium layer. The cambium layer contains the progenitor cells that develop into osteoblast. The osteoblast are key in increasing the width or length of a bone.
View Test Prep - Quiz 3.docx from HUM ABCDEFG at Coastline Community College. 1. The term for a sound that has one definite frequency is x tone rhythm tempo harmony 2. When notes sounded together tend to be grating or unpleasant, the resulting sound is called harmony timbre x dissonance consonance 3. A group of notes played in succession with a perceivable shape x is called a melody produces harmony produces consonance produces dissonance 4.
A pure tone is a tone with a sinusoidal waveform, i.e. a sine or cosine wave. pure sine wave is an artificial sound. Hermann von Helmholtz is credited as the first creator of a sine wave, using the 'Helmholtz siren ', a mechanical device that sends compressed air through holes in a rotating plate.