Organ Systems Crossword

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Across
  1. 1. creates a barrier from external pathogens
  2. 3. allows for exchange of certain gases (ex. O2)
  3. 5. protects the body
  4. 8. allows mobility and maintains body temperature
  5. 9. breaks down food and absorbs nutrients
  6. 11. delivers oxygen & nutrients to the body
Down
  1. 2. connects our brain to our body
  2. 4. produces gametes, houses fetus until birth
  3. 6. where our immune cells reside
  4. 7. removes waste products
  5. 10. secretes hormones