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.
It really depends on what the size of the jets. The Airlines fly from 32,000 to 38,000 feet.   Normal Jet Planes fly at about 30,000 feet Military Jet planes fly anywherâ¦e from 100 feet all the way up to 80,000 (Some do go higher but those are for special occasions)