Fill in the blanks:

1. The body-bulding function of food is related to the presence of _________________
2. Energy-giving foods are rich in carbohydrates and / or _____________
3. Nutrient balance can only be achieved by suppling all nutrients in the correct ____________ and proportions
4. To say healthy, we should eat a ______________
5. Foods can be classified as ______________ and _______________
6. Conjunctivities is a disease that affects _________________