Plasma Membrane Crossword Puzzle

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Across
  1. 2. Receives signals from outside
  2. 3. Maintains membrane fluidity
  3. 4. Flexibility of membrane
  4. 7. Outer boundary of the cell
  5. 9. Movement of substances across membrane
  6. 10. Movement from high to low concentration
Down
  1. 1. Allows only certain substances to pass
  2. 5. Movement of water across membrane
  3. 6. Helps in transport and signaling
  4. 8. Main component of plasma membrane