A complete blood count (CBC) gives important information about the kinds and numbers of cells in the blood, especially red blood cells, white blood cells, and platelets. A CBC helps your doctor check any symptoms, such as weakness, fatigue, or bruising, you may have. The hemoglobin molecule fills up the red blood cells. 2  It carries oxygen and gives the blood cell its red color. 3  The hemoglobin test measures the amount of hemoglobin in blood and is a good measure of the blood's ability to carry oxygen throughout the body.
Wikia is a free-to-use site that makes money from advertising. Alfred Thayer Mahan (September 27, 1840 â December 1, 1914) was a United States Navy flag officer, geostrategist, and historian, who has been called the most important American strategist of the nineteenth century..
In this lesson, you will learn about Alfred Thayer Mahan and his theories. The United States has the most powerful navy in the world, but this was not always the case. During the 1700s and 1800s, the United States had a large enough navy to defend itself, but it was nowhere near big enough to make us a world power. The theories of Alfred Thayer Mahan, however, did quite a bit to influence not only the U.S. Navy, but other sea powers around the world.