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.
Airbus A340-500. The A340-500 is the world's second longest range airliner, allowing for a maximum distance of 16,670km (9,000nmi) with flight durations of up to 19 hours. The A340-500 took to the sky for its first flight in February 2002 and made its debut with Emirates in December 2003.
For other uses, see Wingspan (disambiguation). The distance A to B is the wingspan of this Boeing 777-200ER. The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about 60 metres (197 ft); and a wandering albatross (Diomedea exulans) caught in 1965 had a wingspan of 3.63 metres (11 ft 11 in), the official record for a living bird.