If you want what it does it protects the cells from its surroundings, It's made of embedded proteins I believe. Hope that helped please answer my question.
Answer:
Hattie has a calculus in her ureter, or kidney stone. Frequent urinary tract bacterial infections, urinary retention, high levels of calcium in the blood, and alkaline urine are predisposing conditions. Her pain comes in waves when peristalsis waves travel at intervals through the ureter. The pain comes when the ureter walls close in during this period on the hard kidney stone