Across
- 2. - The act of breathing.
- 5. - A chemical messenger in the body that regulates functions.
- 6. - The prescribed amount of medicine to take at one time.
- 8. - A medical procedure involving an operation.
- 9. - Nutrients needed for good health, found in food.
- 13. - A medicine used to fight bacterial infections.
- 14. - A fatty substance in blood that can affect heart health.
- 15. - A substance given to prevent a specific disease.
- 16. - Treatment to help improve health, like physical or speech therapy.
Down
- 1. - The red liquid that flows through veins and arteries.
- 3. - A sign or indication of an illness.
- 4. - Protected against a particular disease.
- 7. - A substance that causes loss of sensation, often used in surgery.
- 10. - The invasion of harmful germs in the body.
- 11. - The identification of a disease or condition by a doctor.
- 12. - A type of sugar that gives energy to the body.
- 13. - A reaction the body has to certain substances, like pollen or food.