Aluminum Grades Series 7xxx. Zinc, in amounts of 1 to 8% is the major alloying element in 7xxx series aluminum alloys (7075, 7050, 7049, 710.0; 711.0 etc.), and when coupled with a smaller percentage of magnesium results in heat-treatable alloys of moderate to very high strength.
We previously learned that arteries carry blood away from the heart and that veins carry blood toward the heart. This idea holds true here because we see that the pulmonary arteries are carrying blood away from the heart and the pulmonary veins are carrying blood to the heart. The interesting thing is that in most areas of the body, veins carry blood that is low in oxygen and arteries usually carry blood that's rich in oxygen.
Name and describe the main types of blood vessels in the body. Types of blood vessels Once blood leaves the heart, it is transported around the body in three main types of blood vessels:Arteries ,Veins ,Capillaries Arteries: Arteries transport the oxygenated blood away from the left side of the heart.he Superior Vena Cava carries blood to the heart from the upper body, while the Inferior Vena Cava carries blood from the lower body. Another unique feature of veins is that they have valves. Like the valves in the heart, they are there to prevent a backflow of blood.