Q- We eat food composed of all the nutrients like carbohydrates, proteins, fats. vitamins, minerals and water. After digestion, these are absorbed in the form of glucose, amino acids, fatty acids, glycerol e.t.c. What mechanisms are involved in absorption of digested food and water?
Answer- The Digested food in human beings such as amino acids and glucose are absorbed by the process of active transport. Food like small sized fatty acids and glycerol are absorbed by diffusion or passive transport. In this process the water is absorbed by the process of osmosis.