The correct option is D Liver
Whitish-gray or clay-colored stools are not normal. If the stools are pale or clay-colored, there is a problem with the drainage from the biliary system, which is comprised of the gallbladder and liver.
Kidneys are involved in the formation urine. Old red blood cells are recycled in the spleen, and platelets and white blood cells are stored there. The pancreas has two main functions: an exocrine function that helps in digestion and an endocrine function that regulates blood sugar.