Anatomy Chapter 15: The Urinary System Flashcards | Quizlet Anatomy Chapter 15: The Urinary System. The loop of Henle sets up a concentration gradient in the kidney such that from the cortex to the renal pelvis osmolarity increases. The descending limb of the Free Human Body Lesson Plans / Urinary System / Urine Luck! Urinary System Packet. Give each student a copy of the “Our Urinary System” worksheet packet. Project each worksheet onto the board either through a projector or PowerPoint presentation. Review the “Diagram of the Urinary System” worksheet. Review the “All About Our Urinary System” worksheet. Review the “Process of Urination” worksheet.