Food and Food Preservation
We all need food to work and play. Food provides us energy to work. We also need food for our body to grow, and to remain healthy by fighting disease.
Food keeps our bodily part strong. Eating only one type of food will not give everything to our body because food-stuffs contains some substances for doing different things useful for the healthy growth of the body, giving energy that needs to work, play and protecting it to fight from diseases. These substances are called nutrients. Some nutrients provide us with energy, some help us to grow and some help us to fight disease. Different foods have different nutrients. Therefore to remain fit and healthy we need to eat different foods.
These nutrients are proteins, carbohydrates (sugar and starch), fats, vitamins and mineral salts.
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Recent Articles
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Regulation of Respiration | Respiratory Centres | Inspiratory Area |
Oct 14, 25 12:13 AM
Respiratory Centre is the area that controls the rate of respiration and it is observed to be located in medulla oblongata and pons. Respiratory Centre has the following will dispersed components like… -
Explain Transport of Gases | External Respiration | Tissue Respiration
Oct 09, 25 11:35 PM
In humans gaseous exchange is completed in the following ways the steps are - External Respiration or Breathing - Breathing in false taking in of Oxygen and giving out of carbon dioxide in the body. M… -
Kind and Number of Teeth | Location of Teeth in Mouth | Care of Teeth
Sep 11, 25 12:52 AM
Kind and Number of Teeth -
The Gaseous Exchange | Transport of Oxygen | Haldane Effect |
Sep 10, 25 02:44 PM
Oxygen carrying capacity of blood is 20 ml for 100m but 3% of dissolved in plasma and 97% of the oxygen combines with haemoglobin to form a loose reversible Complex called oxyhaemoglobin and is transp… -
Respiratory Volumes and Capacities | Tidal Volume | Dead Space
Sep 10, 25 02:46 AM
Explain respiratory volumes and capacities: Tidal Volume - Tidal volume is the volume of air inspired or expired in relaxed or resting position. Amount of tidal volume is about 500 m and it consists o…
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