Signs of Kidney Failure The early indications of failing kidneys include a marked increase in water consumption (polydipsia) and in urination (polyuria); weight loss; apparent decline in appetite; and, in some cases, occasional vomiting. If these signs are observed, the owner should seek veterinary consultation at once.
Function: Chemical digestion of food and absorption of nutrients into your blood. Longest section of your digestive tract. Your small intestine is around five metres long, making it the longest section of your digestive tract. Although it is longer than your large intestine it has a smaller diameter. This is why it's called the small intestine.
The function of the small intestine is to absorb nutrients through millions of vilosities along the intestine's wall, and to push food forwards by the movements of the bowels.ood is moved along by peristalsis. Digestion is completed in the small intestine.   Most chemical digestion and absorption of food occurs in the small intestine. The small intestine is a long, coiled organ about one inch in diameter. The stomach connects with the duodenum, the first part of the small intestine.