Across
- 4. a mean by which the body is given immunity to a disease by intentional exposure to small quantities of it
- 5. The act of introducing a vaccine into the body to produce protection from a specific disease.
- 8. A drug used to treat infections caused by bacteria and other microorganisms
- 14. happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them
- 15. A type of immune cell that can surround and kill microorganisms, ingest foreign material, and remove dead cells
- 16. physical and chemical barriers that are always ready and prepared to defend the body from infection
- 17. the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell
- 19. a viral reproductive stage where the virus's DNA is being replicated using the host cell's DNA.
- 20. A type of white blood cell that makes antibodies
Down
- 1. eliminating specific pathogens that have been encountered by the immune system previously
- 2. provided when a person is given antibodies to a disease rather than producing them through his or her own immune system
- 3. he antibody protection your body creates against a germ once you've been infected with it
- 6. results when exposure to a disease organism triggers the immune system to produce antibodies to that disease
- 7. an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat.
- 9. lymphocytes (T cells, B cells, and NK cells), neutrophils, and monocytes/ macrophages.
- 10. a complex network of organs, cells and proteins that defends the body against infection, whilst protecting the body's own cells
- 11. Any substance that causes the body to make an immune response against that substance
- 12. A type of blood cell that is made in the bone marrow and found in the blood.
- 13. a group of cells, tissues and organs that work together to protect the body
- 18. A protein made by plasma cells (a type of white blood cell) in response to an antigen