The small intestine is the principal organ where digested food is absorbed.
The final products of digested food such as glucose, fructose, amino acids, etc. are absorbed in mucosa into the bloodstream and lymph.
The large intestine is the organ where the absorption of water occurs.
Various minerals and drugs are also absorbed here.
Final Answer: Small intestine and large intestine are organs where absorption of digested food and water takes place respectively.