1.Inflammatory bowel disease (IBD) predominantly affects the gastrointestinal system but it is associated with a large number of extraintestinal manifestations.
6.The researchers planted some fresh seeds from the non-spicy peppers, and also some seeds that had taken a detour through the gastrointestinal systems of these animals.
7.The main job of the gastrointestinal system is ingestion - taking in food, digestion - breaking it down into nutrients, absorption - pulling these nutrients into the bloodstream, and finally, excretion - getting rid of waste.