Treasure hunt

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Across
  1. 1. The innermost part of the flower
  2. 6. Motion in a straight line
Down
  1. 2. The process through which water comes out of the leaves in the form of water vapour
  2. 3. The unit of length in SI unit
  3. 4. Helps the fish to maintain its balance
  4. 5. Fixed bone in the skeletal system