Immune System Crossword

2. This type of cell is responsible for antibody-mediated immunity
4. T cells move through the ______ ,which is larger when you are younger
7. MHC class ______ is expressed on the surface of most nucleated cells and is considered unique
8. Tₕ cells are considered messengers, what does the subscript H stand for?
10. What lymphocyte pokes holes in target cells membranes?
12. ______ are a large diverse group of peptides and proteins that hype up the cell
17. ______ perforate the plasma membrane of a target cell
18. All lymphocytes develop from stem cells in the ______
19. ______ regulate interactions between white blood cells
20. A type of response that adapts to specific pathogens invading the body

1. Signaling molecules that attract, activate, and direct the movement of various immune system cells
3. This factor acts on the hypothalamus inducing fever
5. Largest immune cell
6. What type of cells are responsible for cell-mediated immunity?
9. Innate immunity is a ______ line defense
11. These are located between cells and help warn them
13. Types of T cells that have never matched before are called ______
14. ______ consists of more than 20 proteins present in plasma and other body fluids
15. In different immunity types we often use a word that is defined as means by which.
16. This causes increased blood flow which warms the skin