Awesome Anatomy!

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Across
  1. 4. clot blood
  2. 6. Invaders, what the immune system fights
  3. 8. used to protect your fingers
Down
  1. 1. Produces blood cells
  2. 2. defend the body
  3. 3. a white blood cell
  4. 5. the largest Organ in the body
  5. 7. used to retain body heat