that is alive needs food. Those who do not eat meat or fish are called vegetarian.
Those who eat meat or fish or both are called non vegetarian. Food that
we eat either comes from plants or animals.
Why we need food?
cannot survive without food as it gives energy for proper functioning of our
body. Our body needs energy all the time even when we are sleeping. Many organs
function continuously either we are working or relaxing. Food helps in
prevention and cure of disease.
contains nutrients that nourish our body. Different foods we eat daily have
different types of nutrients in different quantities. These nutrients are
carbohydrates, proteins, vitamins, fats, minerals. No single food contains all
the nutrients in the desired quantities so; we need to eat balance diet for
proper functioning of body. A diet that have proper proportions of
carbohydrates, fats, proteins, vitamins, minerals, and water necessary to keep
good health is called balanced diet.
Kinds of nutrients
are one of the main types of nutrients. It provide energy for the body, mainly for
the brain and the nervous system. We need energy for all activities we do walk,
dance, write, jump, walk etc. It include sugars found naturally in foods such as
fruits (apples, banana and grapes), vegetables (potato and pumpkin), milk, milk
products, whole grain breads and cereals (wheat, maize and rice), starchy
vegetables, legumes and refined sugar.
carbohydrates, fats also provide energy for the body. They act as reserve of
energy when carbohydrates are not available. It helps the body to absorb
certain vitamins that are fat soluble. It helps to keep body warm by
maintaining proper body temperature. Food rich in fats include oil, butter,
nuts, coconut, ghee, cheese, cream etc.
is important for the maintenance and repair of the body. Children require more
protein for their growth. Protein is needed for good hair, skin, eyes, muscles
and other organs of the body. It is important element of blood (hemoglobin
present in blood is a protein) and help in transportation of oxygen throughout
the body. Protein rich foods include meat, fish, cheese, beans, lentils,
yogurt, nuts, and seeds.
helps to form and maintain healthy teeth, bones and skin. It also helps form
red blood cells and maintains the nervous system. It helps to fight against
infection and diseases. Food rich in vitamins are broccoli, papaya, almonds,
sunflower oil, spinach, carrot, pumpkin, orange, beans etc.
body needs many minerals such as calcium, iron, sodium, potassium and many
others. We need all minerals in to stay healthy in desired quantity. Our body
needs calcium to maintain healthy bones and teeth. Calcium we get from milk,
milk products etc. Iron is also a mineral which helps in the formation of
blood. Iron rich food includes red meats, dried fruits, green leafy vegetables.
Water and fiber
fiber or roughage is the indigestible portion of food derived from plants.
Fiber is obtained from fruits, vegetables and the outer covering of cereals and
pulses. Water and fiber help to clean the digestive system by removing waste
from the body. Water helps to regulate the body temperature.
is considered as a complete food as it contains almost all nutrients that a
need of the body depends on age, gender, body size and composition. The people
performing physical activity like players, athletes require more energy.
Why to avoid junk food?
may cause digestive problem.
lacks essential nutrients such as vitamins, proteins, minerals.
How to keep our body healthy?
should exercise regularly.
should eat healthy and balanced diet.
should drink at least 6-8 glass of water daily.