Science

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Across
  1. 3. chemical made to function in a different area
  2. 5. blood sugar
  3. 7. baby in the womb
  4. 9. makes body respond
  5. 10. embryo attaches to lining of uterus
  6. 12. growth, metabolizam
Down
  1. 1. makes hormones
  2. 2. fights infection
  3. 4. replaces lining in uterus
  4. 6. sperm joins egg
  5. 8. ball of cells
  6. 11. nerve cell in brain