Answer:
D. kidney stones.
Explanation:
Kidney stone disease, also known as urolithiasis, is while a solid part of the substance (kidney stone) happens in the urinary tract. Kidney stones typically develop in the kidney and leave the body in the urine stream. A small stone may reach without causing signs. If a stone expands to more than 5 millimetres (0.2 in) it can effect blockage of the ureter appearing in critical pain in the lower back or tummy. A stone may further appear in blood in the urine, vomiting, or severe urination. About half of the characters will have another stone inside ten years.
