In 500-750 words, list and explain all the steps in the process of urine formation and excretion.Include all steps starting from the bloodstream and ending with the urinary meatus. A 17-year-old boy was snowmobiling and struck a low-hanging tree branch. The branch caused an anteroposterior laceration that penetrated to bone along the median plane of his scalp and there was profuse bleeding. He was transported to the nearest medical center to have his laceration sutured.(4+3+3)