The Significance Of Hydration Harvard T H Chan School Of Public Well Being

• 
• 0

Gastrointestinal tract is essential in both intake and excretion of water. The water from food (~0.5–1 L/d) and fluids (~2–3 L/d) is predominantly absorbed into blood throughout the extremely polarized epithelial cell layer of the small intestinal mucosa 2,30. Beside the ingested water, massive quantities of digestive secretions (~8 L/d) are absorbed in the small…