The heart of the human beings is made up of cardiac muscles which are different from smooth and skeletal muscles. Inside the cardiac muscles is the intercalated discs which is known to join various adjacent cells together.There are a number of functions of intercalated discs. It is only when it functions properly that the heart can work effectively. The human heart is made up of cardiac muscle.he heart of the human beings is made up of cardiac muscles which are different from smooth and skeletal muscles. Inside the cardiac muscles is the intercalated discs which is known to join various adjacent cells together.
Big Spring Landmarks / Attractions / Photos. 1  The Spring - The town's namesake. next page. 2  Howard County Courthouses next page. 3  Settles Hotel next page.  Hanger 25 Air Museum: www.hanger25.com A museum of the Big Spring Army Air Corps Bombardier School (its purpose during WWII) and Webb AFB (1955-1977).
PRINCETON, TX (COLLIN COUNTY) PRINCETON, TEXAS (Collin County). Princeton is at the intersections of U.S. Highway 380 and Farm roads 75, 1377, and 982, seven miles east of McKinney in east central Collin County. In the late 1870s T. B. Wilson and his brother George began farming near the site of future Princeton.