Across
- 2. a type of defense that act immediately or within hours of a pathogen's appearance in the body
- 3. Antigen-presenting cells derived from bone marrow precursors and form a widely distributed cellular system throughout the body
- 5. Molecules capable of stimulating an immune response
- 7. Important cells of the immune system that are formed in response to an infection or accumulating damaged or dead cells
Down
- 1. A complex network of cells and proteins that defends the body against infection
- 4. pathogen is a biological agent that causes disease or illness to its host
- 5. A type of ummune system that is slower to respond but targets the pathogen more specifically, It involves specific cells – T and B lymphocytes.
- 6. A type of white blood cell that is of key importance to the immune system and is at the core of adaptive immunity