Question:
We eat food composed of all the nutrients like carbohydrates, proteins, fats, vitamins, minerals and water. After digestion, they are absorbed in the form of glucose, amino acids, fatty acids, glycerol, etc. What mechanisms are involved in the absorption of digested food and water?
Solution:
Digested Food:
1. Glucose, amino acids and some ions - Active transport.
2. Fatty acids, Glycerol - Diffusion (Passive transport).
Water: Osmosis.