Across
- 4. the way something works
- 7. having enough water/liquid to drink
- 8. really important
- 10. looks after
- 12. small organisms that build up a main part of your body
- 13. They are essential for human growth and nutrition
Down
- 1. A liquid that carries nutrients to all the cells in your body and oxygen to our brain
- 2. the ability to do work
- 3. You need it from foods to help maintain and build your bones
- 4. An oily substance that occurs under the skin of the human body
- 5. major
- 6. An essential nutrient made by organisms to perform functions in everyday life
- 7. being happy physically mentally and emotionally
- 9. a liquid that usually includes chemicals
- 11. An amount of energy contained in food