The shoulder joint is formed where the humerus (upper arm bone) fits into the scapula (shoulder blade), like a ball and socket. Other important bones in the shoulder include: 1  The acromion is a bony projection off the scapula. 2  The clavicle (collarbone) meets the acromion in the acromioclavicular joint.
List of boroughs and census areas in Alaska. The U.S. state of Alaska is not in counties, as 48 other states are (Louisiana has parishes instead). It is in boroughs. Many of the more densely populated parts of the state are in Alaska's eighteen organized boroughs, which are somewhat similar to counties in other states.
Alaska. Alaska is the fourth least-populated state, with a population of 710,231. Its capital is Juneau and its largest city is Anchorage. Alaska has the largest land area of all 50 states, with 663,268 square miles and a density of 1.26 persons per square mile. Half of the state's residents live within Anchorage's metropolitan area. Mount McKinley -- also known as Denali -- is the highest point, reaching more than 20,000 feet high.