精选优质文档-倾情为你奉上填空：1. The conduction system of the heart consists of the sinoatrial (SA) node,bundle of His,atrioventricular(AV)node,the bundle branches and Purkinje fibers.2. There are two basic forms of piezoresistive strain gauge：bonded and unbonded3. The respiratory system includes the mouth；nose；trachea/windpipe；bronchii；and lungs.4. The GI(Gastrointestinal) system takes in raw materials in the form of food and liquids and processes them so that they are absorbed into the bod
