Cells

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Across
  1. 3. the breaking down of food absorbed by the body
  2. 6. a clear jelly-like fluid inside a cell
  3. 8. an instrument used for viewing very small objects
  4. 10. a living organism which feeds on organic matter
  5. 11. a gas needed to survive
Down
  1. 1. substances that can be eaten to sustain life
  2. 2. power required for sustained activity
  3. 4. unusable or unwanted material
  4. 5. a living thing that grows in the ground
  5. 6. the outer wall of an animal cell
  6. 7. smallest living unit of a plant or animal
  7. 9. the outer layer of a plant cell