Human Transport

12345678910111213141516
Across
  1. 4. The smallest blood vessel
  2. 6. hairs that act as a physical barrier
  3. 8. word for a weakened strain of pathogen in a vaccine
  4. 9. The number of components in blood
  5. 10. When a specific antibody fits a specific antigen
  6. 12. helps with secondary immune response
  7. 13. a physical barrier against infection(slimy)
  8. 15. bacterial cell wall
  9. 16. The formal word for red blood cells
Down
  1. 1. contains all cells and dissolved substances
  2. 2. A type of antibody produced in response to biological toxins
  3. 3. gland in which WBCs stored in
  4. 5. Action when a phagocyte engulfs a pathogen
  5. 7. contain digestive enzymes
  6. 11. the largest vein in the body
  7. 14. The shape of a phagocyte's nucleus