To (a) _____ good health we have to eat good food. Good food means right kind of food having (b) _____. Nutritious food contains natural (c) _____ that our body needs. Eating too much is bad for health even if the food is good. We should eat a certain (d) _____ of food that our body needs and we do not need the same kind of food in the same quantity. The quantity depends on our (e) _____ and physical structure.