Asker's rating. 1  Fred is correct the smaller the number the bigger the metal. 2  12 gauge is thinner than 7 gauge. 3  The gague refers to the thickness of the metal in question. the issue of strenght is really determines by the type of metal, not necessarily it's thickness.
The left ventricle pumps oxygen-rich blood out of the heart and into an artery called the aorta. From the aorta, blood branches out into a series of ever smaller tube-like vessels: arteries, arterioles and finally capillaries. The capillaries deliver the blood's oxygen and nutrients to cells.
The left side of the heart, around the left ventricle, consists of thicker cardiac muscle relative to that of the right ventricle because it is there where blood has to be pum â¦ ped a greater distance. Blood leaves the left ventricle in the aorta, which heads to all cells of the body, as far as the tips of our toes.