Across
- 5. coronavirus is known for its crown like spike shape known as
- 7. machine designed to move air in and out of a patients lungs
- 9. presenting no symptoms
- 11. a spread of infectious disease around the whole country
- 12. any forgein substance that causes the body to make an immune response
Down
- 1. injection to stimulate a person's immune system to fight against infectious disease.
- 2. a protein molecules known as immunoglobulin, y shaped are produced by the immune system
- 3. complex network of cells,tissue and organs, to fight against infectious disease
- 4. a increase in body temperature over 98.6
- 6. genetic material teach our cells how to make protein
- 8. from the basic structural unit such as DNA
- 10. an organism that cause disease
