introduction to body systems

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Across
  1. 3. the system responsible for taking in oxygen
  2. 4. stable internal environment
  3. 7. produced by female reproductive system
  4. 8. help us to move
Down
  1. 1. return leaked fluid back to the blood
  2. 2. releases wastes outside the body
  3. 5. produced by male reproductive system
  4. 6. supports the body