the right subclavian artery branches off the brachiocephalic artery. the left subclavian artery is the third branch off the aortic arch. the internal carotid arteries arise from the common carotid arteries and supply blood to the brain and orbits.
The Airbus A350-900 is the tenth longest range airliner reaching a maximum distance of up to 14,350km (8,250nmi). It is one of the variants in the A350 XWB family. The aircraft can accommodate 315 passengers in a two-class seating configuration.
Topping our list is a military cargo plane of which only one has so far been built. At 275 feet long and with a maximum takeoff weight of 640 tons, the An-225 âDreamâ is the longest and heaviest plane ever built. Its 290 foot wingspan also means that it has the largest wingspan of any current operational airplane.