Food from various sources gives us energy and other nutrients that our bodies require.
The food we eat has some key nutrients: carbohydrates, fat, protein vitamins, and minerals.
They serve as a source of energy for the body's routine metabolic operations.
Carbohydrates come from wheat, cereal crops, potatoes, peas, and other starchy vegetables, protein comes from meat, eggs, pulses, and so on, and fat comes from oilseeds, butter, cream, and milk.
Minerals we get from nuts and seeds and vitamins we obtain from fruits and vegetables.
Reasons why food is essential:
Food is required for all living things to survive. It is essential for the major reasons:
Nutrition is essential for growth in order to form new cells or protoplasm.
It is critical in giving material to repair damaged or worn-out cells.
It gives the body the energy it needs to carry out many life tasks.
It is essential to keep the chemical composition of cells stable.
It protects against infection and sickness.
Vitamins maintain average growth of body and body functioning.
Minerals help in our bone and teeth health, nerve, and muscle function.