Across
- 3. molecules that are produced by your cells that can interfere with virus replication
- 7. white blood cells protect your body from infection
- 9. white blood cells that act as second line of defense of your innate immune response
- 10. when our bodies are trying to invade pathogens
Down
- 1. receptors that help recognize bacteria and viruses in the human body
- 2. kills bacteria and fungi
- 4. lines the internal and external surfaces of the body
- 5. a chemical signal that dilates blood vessels and increase blood flow
- 6. what the human immune system responds to
- 8. substance that can trap particles and pathogens from getting to the epithelial cells
