Across
- 4. something that you can spread
- 5. physiological stress
- 9. fights off infection, virus,bacteria,etc
- 11. fear of something that's unlikely to cause harm
- 12. largest artery in the body
- 13. feeling good about yourself
Down
- 1. a addictive substance
- 2. acid in your stomach that breaks down food.
- 3. a organ
- 6. something you can't spread
- 7. carries oxygen to the heart
- 8. a type of virus
- 10. when you are pressured to do something
- 11. colorless fluid part of the blood