IMMUNE SYSTEM, OSMOREGULATION, AND EXCRETORY SYSTEM

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Across
  1. 7. Material that an exoskeleton is made out of
  2. 8. Type of T cell that directly attacks an infected cell or pathogen
  3. 9. Produced by B cells, attach to the epitopes of pathogens to inactivate them
  4. 10. Hormone that controls water balance
  5. 11. Synonym for antibodies
Down
  1. 1. Type of immunity that is always active in an organism
  2. 2. Toxic substance that only aquatic animals can excrete
  3. 3. Process by which a harmless antigen is injected into a person in order for that person to develop a strong secondary immune response to a particular pathogen
  4. 4. Cells that carry out the movement of solutes
  5. 5. Disease characterized by a lack of helper T cells
  6. 6. Bundle of capillaries that turn blood into the filtrate; the first part in filtrate processing
  7. 12. Specialized structure in the kidney that processes the filtrate
  8. 13. Autoimmune disease that affects self-tolerance