Biology vocabulary

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Across
  1. 2. series of events as a cell grows
  2. 3. a barrier of the cell
  3. 8. a protein that speeds up chemical reactions
  4. 9. a structural layer that surrounds some cell types
  5. 10. an organ system consisting of skeletal, smooth, and cardiac muscle
  6. 11. The system that takes in food and liquids and break them down into substances the body can use
Down
  1. 1. a membrane-bound cell organelle
  2. 4. a organelle that generates most energy
  3. 5. an organelle in plants for photosynthesis
  4. 6. the system that is your bodies support system
  5. 7. basic unit of life