carbohydrates and fats r energy giving foods. e.g. cereals, sugar for carbohydrates n butter, ghee for fats. lack of carbohydrates in our body causes tiredness,lithargy and inactivity. Excess causes obesity. lack of fats in our body causes rough skin, weak eyes and thin body. excess does the same.
protiens r body building foods.e.g. pulses, soyabeans. insufficient protien in diet may slow down the growth n development of children. they may get tired quickly. excess of protiens taken for a long time may damage the kidney.
minerals and vitamins r the protective foods. these prevent many diseases. these nutrients r needed in small quantities and r essential everyday for good healtth and growth.the main sources of vitamins r green leafy, vegetables, fruits, milk, eggs, cheese etc...
the minerals help the body to function normally n use other nutrients properly they have no energy value .Some minerals like calcium n phosphorus r riquered for the growth and development of teeth.the rich sources of minerals r milk, green leafy vegetables, pulses,meat n eggs.
roughage r fibres which provide bulk to the foodv eat. it prevents us from constipat. raw vegetables provide good roughage.
