The fuel our body needs to keep it working is called food.
The chemical substances present in the food that our body needs are called nutrients.
Foodes provide the following functions:
1.It provides energy for activities.
2.It helps in growth and healing.
3.It protects us from diseases.
The main sources are plants and animals
Green plants or Producers as they are called prepare their own food with the help of sunlight,water and carbondioxide
whereas animals depend directly or indirectly on plants for their food.
Stems like potato sugarcane
Seeds like wheat ,rice,pea
Leaves like spinach, cabbage
Flowers like cauliflower,broccoli