The horse's digestive system consists of those organs concerned with digestion, or the turning of complex food material such as hay, grass and corn etc, into simple substances such as carbohydrate, protein (amino acids), fatty acids, etc, which can be used by the body for energy, storage or body building processes. The organs consist of alimentary tract which is the tube extending from the mouth to the anus and know also as the gut, intestines or aliamentary canal, and the accessory organs such as the teeth, tongue, salivary glands, liver and pancreas.
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