I want to know the functions …

Digestive System (Table 1) Body system Benefits received by the digestive system Cardiovascular Blood supplies digestive organs with oxygen and processed nutrients Endocrine Endocrine hormones help regulate secretion in digestive glands and accessory organs Integumentary Skin helps protect digestive organs and synthesizes vitamin D for calcium absorption Lymphatic Mucosa-associated lymphoid tissue and other lymphatic tissue defend against entry of pathogens; lacteals absorb lipids; and lymphatic vessels transport lipids to bloodstream Muscular Skeletal muscles support and protect abdominal organs Nervous Sensory and motor neurons help regulate secretions and muscle contractions in the digestive tract Respiratory Respiratory organs provide oxygen and remove carbon dioxide Skeletal Bones help protect and support digestive organs Urinary Kidneys convert vitamin D into its active form, allowing calcium absorption in the small intestine