Complex sentence: It is the nerve of the sixth pharyngeal arch. There are two recurrent laryngeal nerves right and left in the human body both arising from the vagus nerve but they follow slightly different courses on the left and right side.
Split into simpler sentences: It is the nerve of the sixth pharyngeal arch. There are two recurrent laryngeal nerves, right and left, in the human body. Both arise from the vagus nerve, but they follow slightly different courses on the left and right side.