Define nutrients and nutrition. from Biology Digestion and Absorption Class 11 Assam Board
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     Define nutrients and nutrition.

    Nutrients : The chemical substances present in the food are called nutrients.

    Nutrition : It is the use of nutrients by an organism for obtaining energy, building body, growth, development and providing resistance from diseases. 

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    • Name the fat soluble vitamins.
    Vit A, D, E and  are fat soluble vitamins.
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    What is the order of arrangement of teeth in each half of the upper and lower jaw ?
    The order of arrangement of teeth in each half of the upper and lower jaw is I,C,PM,M.  I (incisors), C (cannine), PM (premolars), M (molars).
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    What are Sanguivorous animals ?
    The animals which suck blood e.g. leech, vampire bat, female mosquito etc.
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    What is Diphyodont ?

    Diphyodont is the condition of having two set of teeth during the life of an organism. For example : humans are diphyodont as they have two set of teeth namely temporary milk or deciduous teeth which are replaced by permanent or adult teeth. 

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    What is the function of enamel in digestion?
    The enamel helps in the mastication of food.
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