cells

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Across
  1. 6. in animal cells these are membrane bound organelles that act as the digestive system
  2. 7. this is the gel-like fluid within the cell membrane but outside the nucleus
  3. 8. the type of blood cell that carries oxygen
  4. 9. separates the interior of the cell from the outside environment
Down
  1. 1. these are the building blocks of connective tissues
  2. 2. a membrane enclosed organelle within a cell that contains the chromosomes and has the DNA in most cells
  3. 3. these make up all living creatures
  4. 4. membrane-bound cell organelles
  5. 5. in animal cells these are small structures used for protein synthesis