Solve the crossword using the following clues.
Down:
1. Provides energy, found in rice, potatoes, sugarcane etc.
2. Needed for their specififc roles in the body; eg., iron, calcium, sodium etc.
Across:
1. Provides building material for body growth, found in pulses, milk, egg etc.
2. Needed for normal functioning of various body processes.
3. Provides energy and insulation, found in butter, ghee and oil.