what do you mean by digestion ?
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DIGESTION
the process of conversion of complex food substance to the simple observable form is called digestion.
it is carried out by our digestion system by mechanical and biological method.
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Answer :
Food is the substance that is utilised by our body and provides energy to our body. Food contains nutrients such as carbohydrates, proteins, fats,roughage, vitamins and mineral that are essential for our growth and functioning.
Food has biomacromolecules that can't be easily utilised by our body. So, these macromolecules required further breaking down to be easily absorbable.
Thus, to easily utilise the nutrients present in food the complex substances is broken down into simpler substances and hence this process is called as digestion.
Organs which are involved in the process of digestion together forms the digestive system. Digestive system consists of buccal cavity, oesophagus, stomach, pancreas, small intestine, large intestine.
The digestive system includes the following processes :-
- Ingestion
- Digestion
- Absorption
- Assimilation
- Excretion