Across
- 3. the simplest and smallest forms of life
- 4. a type of virus that can cause pneumonia and other diseases in humans and animals
- 7. a medical condition in which a person has a temperature that is higher than normal
- 9. an injury to part of the body, especially one in which a hole is made in the skin
- 10. a medical condition that causes you to react badly or feel ill when you eat or touch a particular substance
- 11. a type of disease that spreads by close contact between people
- 12. the act of stopping something bad from happening
Down
- 1. a thing that causes disease
- 2. a soft substance that fills the hollow parts of bones
- 5. a condition in which the blood supply to an area of tissue is blocked and the tissue dies
- 6. a place where two bones are joined together in the body in a way that enables them to bend and move
- 8. the breakdown of large insoluble food molecules into small water-soluble food molecules