
Why do organisms need food? Write two reasons.
Answer
461.7k+ views
Hint:Food is a basic component of our life. All organisms require food to obtain nutrients such as proteins, fats, vitamins, carbohydrates and minerals.
Complete step by step answer:Important roles of foods for building a healthy body are as follows:
Food is composed of different nutrients and protein is one of them that help us to repair muscles and build DNA. It is found in foods like meat, eggs, nuts and poultry. Moreover, proteins help to build new cells and repair the damaged body cells and tissues like skin, hair and nails.
The vital nutrients absorbed by blood from the food also play an important role to build immunity to fight against different diseases and healing the wounds and curing the body from diseases.
Additional information:Food provides nutrients that provide energy to perform all body activities as a living organism undergoes different life processes such as respiration, digestion, excretion and reproduction. To perform all the life processes the organisms require energy that can be obtained from the well-balanced diet only. The major function of food is not only to help in body growth but also provide energy for running, walking and many more.
Note:The food that we eat is broken down into simpler forms which release energy which is utilised by the body to perform various functions. Energy from food keeps us warm too. Thus, food is necessary to gain energy required by the body.
Complete step by step answer:Important roles of foods for building a healthy body are as follows:
Food is composed of different nutrients and protein is one of them that help us to repair muscles and build DNA. It is found in foods like meat, eggs, nuts and poultry. Moreover, proteins help to build new cells and repair the damaged body cells and tissues like skin, hair and nails.
The vital nutrients absorbed by blood from the food also play an important role to build immunity to fight against different diseases and healing the wounds and curing the body from diseases.
Additional information:Food provides nutrients that provide energy to perform all body activities as a living organism undergoes different life processes such as respiration, digestion, excretion and reproduction. To perform all the life processes the organisms require energy that can be obtained from the well-balanced diet only. The major function of food is not only to help in body growth but also provide energy for running, walking and many more.
Note:The food that we eat is broken down into simpler forms which release energy which is utilised by the body to perform various functions. Energy from food keeps us warm too. Thus, food is necessary to gain energy required by the body.
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