[S]ina[F]ritz crossword for pussies

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Across
  1. 2. "M" in MRS GREN
  2. 4. independent plant or animal
  3. 8. several tissues grouped together
  4. 9. hundreds of single type cells
  5. 10. is a sperm cell plant or animal based?
Down
  1. 1. "G" in MRS GREN
  2. 3. "n" in MRS GREN
  3. 5. "S" in MRS GREN
  4. 6. "e" in MRS GREN
  5. 7. controls cell division