crossword 5

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Across
  1. 3. To get someone's attention
  2. 4. A voice interaction.
  3. 5. At all times.
  4. 7. A barricade.
  5. 8. A spherical object.
  6. 9. A white soft earthy limestone formed from the skeletal remains.
Down
  1. 1. To lose one's balance and collapse.
  2. 2. A wide space in a building.
  3. 6. A tiny piece.
  4. 7. A movement peculiar to humans.