8a. Inside Living Things

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Across
  1. 3. the liquid that lies inside the cell membrane
  2. 4. blood vessels that carry blood back to the heart
  3. 6. cell parts that store water, nutrients, and waste
  4. 8. the firm outside covering of a plant cell
  5. 9. blood vessels that bring O2 blood from the heart to the whole body
  6. 11. process that plants use to make their own food
Down
  1. 1. the smallest independently functioning units in an organism
  2. 2. part of an organism, made of different kinds of tissue, that has a specific function
  3. 3. the outside covering of an animal cell that is also inside the cell wall of plant cells
  4. 5. the cell part that controls a cell’s activities
  5. 7. cell parts that produce energy
  6. 9. chemicals that attack pathogens in the body
  7. 10. groups of cells in an organism that are similar in form and function