An object initially at position vector 2i+5j+k is given a displacement 8i-2j+k. The coordinates of final position are
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The digestive system of Branchiostoma consists of an alimentary canal and digestive glands. The alimentary canal is again divided into mouth, oral hood and buccal cavity (vestibule), pharynx or branchial sac, oesophagus, intestine and anus.
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