Science Vocabs and Definition

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Across
  1. 4. muscle located below the lungs
  2. 6. groups of cells of the same kind
  3. 9. main organ of the respiratory system
  4. 10. body parts that has functions
  5. 11. the organ for the sense of smell
Down
  1. 1. also reaction of the body to a stimulus
  2. 2. oxygen-poor blood goes though this vein
  3. 3. muscular organ that pumps blood
  4. 5. organs that help move bones
  5. 7. the largest organ in the body
  6. 8. the most complex organ of the body