Science 30 Unit A MI 2 SCIENCE Projects

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Across
  1. 3. These organisms reproduce using spres, do not conduct photosynthesis and thus feed themselves by absorbing the food through their cell walls. ex. Athletes foot
  2. 5. B cells grow and mature inside of the bone ___
  3. 6. These T cells destroy mutated and infected cells.
  4. 7. A single celled parasite that passes onto people from outside sources like mosquitos and infects them. ex. Malaria
  5. 11. Extremely small particles without any cells that multiply when a cell becomes infected with one. ex. AIDS
  6. 12. These T and B cells both store the data from the invaders so that the immune system can react quicker next time.
  7. 14. When you are injected with dead or harmless pathogens so that your body can prepare and memorize antibodies ahead of time, you received a ___
  8. 17. These types of T cells call for help. They tell the B cells to start doing their job and tell the other T cells to go to school.
  9. 19. These T cells tell the immune system to stop and return to normal.
  10. 20. These single-celled organisms lack a nucleus,and can reproduce rapidly isnide you, causing you to become sick. ex. E. Coli
  11. 21. This illness kills off the helper T cells so that the immune system can't respond.
Down
  1. 1. A barrier that is like a wall to the human body.
  2. 2. A special filter that acts like a draw gate.
  3. 4. The first vaccination was discovered for ___
  4. 8. These things are created by the B cells to attach to specific invaders and slow them down.
  5. 9. In this disease, the white blood cells attack the bones and cartilage in joints.
  6. 10. A fluid that traps many pathogens when you breath them in.
  7. 13. These white blood cells engulf invaders and shows off their antigen.
  8. 15. This special medicine can kill bacteria and stop infections.
  9. 16. When you cry, these acids help slow down invading pathogens.
  10. 18. These things repair broken skin by creating blood clots.