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Requirements of Human Health
Besides various components, balanced diet, healthy environment and physical dynamics
are major requirements of human health. These components of human health are
discussed below:
a. Balanced Diet
There are three types of food. They are energy giving food, body building food and body
protecting food. These food are necessary for our body to provide us energy, building
up body and protecting our body. Similarly, our body needs carbohydrates, vitamins,
protein, minerals, fat and water in proper amount to keep us healthy and fit with proper
physical, mental and emotional development. Balanced diet is necessary for the overall
development of our body. A balanced diet is the food that contains all nutrients in proper
quantity and proportion to keep our body fit in all aspects. Balanced diet is essential to
supply energy for maintaining body cells, tissues and organs for proper growth and
development of our body. Balanced diet helps achieve physical, mental and emotional
health of our body. It also provides energy and creates immunity in our body.
Fig: 18
At home, we can prepare balanced diet by using all nutrients in proper amount and
proportion. Market food and junk food are not much rich in nutrient as balanced diet.
Thus, we should take variety of hygienic home-made foods to achieve all nutrients in
right proportion. Seasonal fruits and vegetables, milk, meat, fish, eggs, beans, etc. are
included in balanced diet. These foods have vital role in providing all required nutrients
to our body.
Importance of Balanced Diet
a. Balanced diet keeps our body well-organized and healthy by providing required
energy to our body.
GREEN Health, Population and Environment Education Book-10 249

