Dwight David, known as Ike. 1890â1969, US general and Republican statesman; Supreme Commander of the Allied Expeditionary Force (1943â45) and 34th president of the US (1953â61). He commanded Allied forces in Europe and North Africa (1942), directed the invasion of Italy (1943), and was Supreme Commander of the combined land forces of NATO (1950â52)
What capability did the development of a vascular system provide to plants? Greater efficiency for nutrient transport and structural support What is the same and what is different between gymnosperms and angiosperms?
Blood Vessels There are five general classes of blood vessels in the cardio-vascular system: arteries, arterioles, capillaries, venules, and veins (see Figure 5â5). Arteries are elastic vessels that are very strong, able to carry blood away from the heart under high pressure.rteries: Elastic vessels able to carry blood away from the heart under high pressure. Arterioles: Subdivisions of arteries; they are thinner and have muscles that are innervated by the sympathetic nervous system. Atria: The upper chambers of the heart; they receive blood returning to the heart.