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The chain that food creates is so funny. Food is basic need for all living organisms to survive. You can bear witness that humans can either grow plants for food or rare animals for food. Animals need to eat anyway. Plants is both eaten by small animals and other big herbivorous animals. And you will notice that most big animals eat small animals. And the big animals plus the small ones are eaten by human beings. Sometimes at the end, the quantity of food that man will eat is more but the energy has been reduced in the food chain. 

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There are several reasons why human beings need to take in food. Food is mostly used to provide energy for human beings and animals. Food ensures that a lot of things are done in the modern world. At the same time, food is necessary for growth. There is no one who comes into the world while they are old. It is therefore necessary for them to take food for growth to take place. Growth will totally be determined by what food one takes. Someone will grow fat if they are given too much food. Little food may make a person become thin. When one lacks enough nutrients in their food they are likely to develop given nutritional diseases. The functioning of the body will be best if he/she is given enough food. Food is a good way to heal some of the wounds we people get today. Take Sous Vide for instance.

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Farming is being used widely in the world today to produce food. So far farming has been used to make enough food in the world today. You will notice even those who stays in their homesteads have a piece of land left out for the purpose of farming. Still there are some people who use the homestead space to keep animals with the intention of providing food. What common things do you know in food? There are things that you can get in both animal and plant foods. These are nutrients and ingredients. Different ingredients can be obtained from different animals and plant foods. These ingredients are used to make a dish. 

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Notice how different foods provide different nutrients. A food can have either of the following nutrients; carbohydrates, vitamins, proteins, minerals and fats. As mentioned earlier the energy mostly comes from carbohydrates and fats. On the other side there are foods that are known to build the body when they are taken and they are mostly proteins. Lastly, vitamins and mineral foods are best known for their protective nature. Different parts of a plant can be taken as food. Plants don't provide food from the same parts. 

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The leaves, stems, fruits and roots could be  different food parts of a plant. With animals you can get a lot of different products and examples include milk, meat, eggs, honey etc. To protect a lot of food from spoiling, food storage has been a great invention of man using the very modern technology. Look up Homestead online to learn more. 

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To learn more about Sous Vide, go to http://en.wikipedia.org/wiki/Sous-vide.