Answer:
-To produce energy to allow us to breathe, think and move.
-To grow/reproduce.
-To carry out repairs (e.g. to heal a cut on your arm or a broken bone)
Explanation:The human body needs food for energy, to keep warm, and for growth and repair. We need many nutrients on a daily basis in order to stay healthy. The three main nutrient groups in food are carbohydrates, protein and fats. We also need minerals and vitamins.