All of them systems

Edit Answers
123456789
Across
  1. 1. Helps_make_structure
  2. 4. makes_babies
  3. 7. helps_you_move
  4. 9. filters_blood
Down
  1. 2. has_skin_that_keeps_sickness_out
  2. 3. get's_rid_of_waste
  3. 4. lets_oxygen_in_and_lets_carbon_dioxide_out
  4. 5. blood_circulates
  5. 6. Fights_diesese
  6. 8. has_nerves