Adaptation
Heterotroficznego adherence to dietA pipeline processing of food has led to specialization in the gastrointestinal tract, which in all animals consists essentially of five episodes, gradually in the course of evolution: the collection of food segment, a segment of digestion, moving and storage segment, a segment of absorption, stretch forming and removing faces. Improving these sections is to adapt to different types of food and increasing the surface absorption, which allows maximum use of all the ingredients contained in eat. Improve the function is expressed in structures, restraint, food or pumping, food thickeners, different or other storage. There are various glands, facilitate the transport of food in the light of the nutrients, mucosal glands, glands emit various enzymes and other substances facilitate digestion. Parasites and developed specific structures through which it is possible to download and assimilating nutrients.