Disease and Immunity

3. A protein produced by lymphocytes, which attaches to a certain specific antigen.
4. A microorganism that can enter the body and causes disease.
5. A hormone made by the pancreas, which regulates the amount of glucose in the blood.
9. Resistance to infection by a particular pathogen, can be obtained either by having the disease itself or acquiring antibodies from other individuals.
11. Contains weakened or dead pathogens with the same antigens, inserted into the body to be recognised by lymphocytes so that it can produce antibodies and memory cells.
12. A chemical barrier that can trap pathogens in the airways.
13. Practices that are conducive for maintaining health and preventing disease through cleanliness.
15. A type of pathogen which can cause diseases such as cholera, tuberculosis and tetanus.
16. A type of pathogen which can cause diseases such as malaria and amoebic dysentery.

1. A type of pathogen which can cause diseases such as athlete’s foot and ringworm.
2. A disease that occurs when the sugar level in the blood is too high.
4. A type of white blood cell that ingests and digests pathogens.
6. A type of white blood cell that produces antibodies.
7. A disease caused by a malfunction in the immune system which makes them attack parts of the body.
8. The virus that causes AIDS.
10. Chemicals on the outer surface of a pathogen that are recognised as foreign by lymphocytes.
14. A type of pathogen which can cause diseases such as influenza, common cold and AIDS.