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.
DEFINITION of 'Available Seat Miles-ASM'. A measure of an airplane's carrying capacity available to generate revenue. Available seat miles refers to how many seat miles are actually available for purchase on an airline. Seat miles are calculated by multiplying the available seats for a given plane by the number of miles that plane will be flying for a given flight.