The CPU usually gets damaged first
aorta
systemic aorta
The reason it is important that they be the first to leave the aorta is that the arteries are much thicker than veins and can handle the pressure the heart uses to push blood through the body.
If the cardiovascular system doesn't work, then obviously organs would be affected. The first organ affected will be the lungs.
The United States proper was not damaged or seriously affected by the First or Second World Wars. America helped to rebuild Europe, Japan & the Philippines after the Second World War.
The ascending aorta extends from the aortic root (which connects the aorta to the heart), upwards toward the aortic arch. The thoracic aorta is one of two parts of the descending aorta, which extends back down towards the abdomen after the aortic arch. The thoracic aorta is the part of the descending aorta that is above the diaphragm, while the abdominal aorta is below the diaphragm.
coronary arteries
yes
The aorta.
brachiocephalic trunk
Because the function of the phloem in plants is to transport sugars to the roots if the phloem of a plant was destroyed the first affected process would be transporting sugars to the roots.