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Description: Appetite is controlled by a satiety centre in the brain that receives nerve and hormonal signals from the stretched stomach and intestines after a meal. When digestion and absorption are complete, the stomach and intestines return to their original size and the brain no longer senses that an animal feels “full.” Picture Stats: Views: 1171 Filesize: 92.59kB Height: 770 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=1108