Across
- 4. The part of the brain that controls balance and coordination.
- 7. A serious infection caused by bacteria producing muscle spasms.
- 8. A deep cut or tear in the skin or flesh.
- 9. Different forms of an enzyme that perform the same function.
- 11. Frequent absence from work or school.
- 12. The process of making a person resistant to disease, usually by vaccine.
- 13. A disease that spreads from animals to humans.
- 14. A group of viruses, some of which cause respiratory disease in humans.
- 15. A deadly viral disease eradicated by vaccination in 1977.
Down
- 1. White blood cells that fight infection by engulfing microbes.
- 2. A parasitic worm, such as a roundworm or tapeworm.
- 3. Swelling of body parts caused by parasitic worms blocking lymph vessels.
- 5. Lymphatic tissue at the back of the nasal cavity that helps fight infection.
- 6. A different form of a gene found at the same place on a chromosome.
- 10. Acting at the right time; being prompt.