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Across 3. A unit of heat used to measure the energy your body uses 5. A condition in which the body's immune system reacts to substances in some foods 7. Nutrients that the body uses to build muscle 9. The psychological desire for food 11. Also know as food poisoning 13. Compounds that help regulate many body processes 14. The process in which your body takes in food 15. Substances in food that your body needs to supply you with energy 16. The elements found in your body

Down 1. Treating with heat to kill or slow the growth of pathogens 2. Substance added to food to enhance it 4. The starches found in sugars and foods 6. The natural physical drive prompted by the body's need for food 8. A condition in which the bones become fragile and break easily 10. The waxy fat-like substance in your blood 12. A rough complex carbohydrate that the body cannot digest