Biology crossword

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Across
  1. 3. Let things in and out of the cell
  2. 6. circulates blood through the body
  3. 9. The brain of the cell
  4. 10. support and protection the cell
  5. 11. Made of DNA
Down
  1. 1. A human is invalided by breeding
  2. 2. ALL cells are made of per existing cells
  3. 4. Brakes down food
  4. 5. Stores water and proteins
  5. 6. Basic unit of life
  6. 7. Needs two parents
  7. 8. Needs only one parent