Across
- 3. A large white blood cell in the immune system that destroys bacteria and other harmful substances.
- 4. Caused by an allergy that can affect any part of the body, not just the part that touches the thing that causes the allergy.
- 7. A living thing that on its own is too small to be seen without a microscope.
- 8. A disease of the bowels that causes the contents to be passed out of the body much more often and in a more liquid form than usual. It is caused by an infection that is spread by dirty water or food.
- 9. An operation to change the shape of the nose.
- 10. A substance containing a lot of fat that is found in the body tissue and blood of all animals, thought to be part of the cause of heart disease if there is too much of it.
- 12. A disease of the eye that can cause a person to gradually lose their sight.
- 14. The use of X-rays to make three-dimensional images of flat sections of the body.
- 15. A disease in which areas of skin turn red and are covered with small dry pieces of skin.
Down
- 1. A condition that causes strong chest pains because blood containing oxygen is prevented from reaching the heart muscle by blocked arteries.
- 2. In medicine, something that blocks a tube or opening in the body, or when something is blocked or closed.
- 5. The process of adding oxygen to something.
- 6. The formation of too much fibrous tissue as a result of healing, inflammation, or irritation.
- 11. The whole eye, including the part that cannot usually be seen.
- 13. A medical condition that makes breathing difficult by causing the air passages to become narrow or blocked.