Chemistry Crossword

6. A type of blood cell that is made in the bone marrow and found in the blood.
7. means to enclose or cover something completely.
8. A protein made by plasma cells in response to an antigen.
11. a substance that acts as a catalyst in living organisms An individual form of life, such as a plant, animal, bacterium
12. a microscopic organisms not visible with the naked eye
13. a superficial often woolly growth produced.
14. an infectious agent that can only replicate within a host organism.
15. organisms that eats organic material.

1. a small, long-lived lymphocyte that has previously encountered a given antigen
2. type of cell that has the ability to ingest, and sometimes digest, foreign particles
3. A protein made by plasma cells
4. type of immune cell that is made in the bone marrow and is found in the blood and in lymph tissue.
5. a microorganism that causes, or can cause, disease.
9. one of the fundamental mechanisms against invading pathogens.
10. type of blood cell that is made in the bone marrow and found in the blood and lymph tissue.