Across
- 7. our body's main source of energy
- 9. the unit to measure how much energy that foods produce
- 10. the study of food at work in our bodies
- 12. foods high in calories but low in nutrients
- 13. hormone that helps absorb glucose
Down
- 1. only needed in small quantities
- 2. nourishing substances essential for growth
- 3. low blood sugar
- 4. the process of replacing water in the body
- 5. prevent disease, keep tissue healthy, and protect vital organs
- 6. the highest in demand and the biggest part of the human diet
- 8. the loss of body fluids
- 11. building blocks of the body