Fitness

4. These are extremely small and can cause disease if they get into your body.
5. The unit for measuring the amount of energy that food provides.
6. It's a very common illness, especially in winter.
7. These are extremely small and can cause disease if they get into your body.
11. The system that protects your body from illness.
15. When you feel better again after an illness.
16. If you don't have a good diet and the right amount of sleep, you're more likely to be __________________ to illness
17. Having meals at the same time each day is having ___________ meals.

1. A disease in a part of your body that is caused by viruses or bacteria
2. You find them in food and they give your body energy
3. The smallest living parts of an animal or plant.
5. Want something, usually food, very much.
8. Serotonin is a _____________ which helps to keep your moods and emotions in balance.
9. A disease in which the body cannot control the level of sugar in the blood.
10. Another word for disease
12. It's important to eat a good breakfast to restore your blood ____________ levels.
13. It's in your head and you can't think without it.
14. It sends the blood around your body.