what is nutrition .......explain
Answers
nutritions is the science that interprets instructions of nutrients
The science of the Composition of the Food Materials and the Quantity in which these materials are required by the Body for our Growth, Maintenance and Survival is called as Nutrition.
The food materials carry nutrients in them. A Nutrients is an Organic or an Inorganic Chemicals Compound which nourishes our body.
A nutrients Supplies energy to the Body, Builds and Repair Body Tissues, and Regulates body Processes.
Our Food Contains many Nutrients like---
Carbohydrates
Fats
Proteins
Vitamins
Minerals
Roughage
Water.
The Nutrition are of two types---
~ Autotrophic Nutrition
~ Heterotrophic nutrition.
1 ~ Autotrophic Nutrition
The Nutrition Prepared by the Living organism such as Plants which prepares there own food is called as Autotrophic Nutrition.
Examples - Plants prepare there Nutrition in the Presence of Sunlight by the Process of Photosynthesis.
Autotrophic nutrition are also of two types---
(i) ~Chemoautotrophic Nutrition
(ii) ~ Photoautotrophic Nutrition.
2 ~ Heterotrophic Nutrition
The Mode of the Nutrition in which Organisms obtain the Nutrition from other living or dead organisms is called as Heterotrophic Nutrition.
Examples---Humans depends on plants and Certain Animals for there nutrition.
Heterotrophic Nutrition is of three types---
(i) ~Saprophytic Nutrition.
(ii)~ Parasitic Nutrition.
(iii) ~ Holozoic Nutrition.
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