Digestion
It is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into watery blood plasma. Types of food: Diffusible food: includes water, minerals, amino acids, vitamins, etc. which are micro-biomolecules and need no digestion Non-diffusible food: includes proteins, fats, nucleic acids, etc. which are macro-biomolecules and …