The first step in the digestion process happens before it is tasted Just by smelling and thinking about a delicious recipe.A person starts salivating thus the process of digestion starts by itself.
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Food is the feul for human body .Its nutrients give our body the required energy and substances whi8ch are needed to operate.
All animals have tube like digestive system in which food enters the mouth passas through the alimentary cannal and exits as feces . The peristalsis movement in t5he cannal moves the food rhythmically and efficiently .Food is broken down into tiny absorbable atoms and molecules Every bit of food which is ingested has to be broken down into nutrients and micro nutrients So that it can be absorbed by the body which is why it takes
- hrs to fully digest food.
- Protein- Amino acid
- Starches- Simple sugar
- Fats- Fatty acids glycerols.
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