Fathia's Puzzle

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Across
  1. 2. Permeability: The ability of the cell membrane to control the flow of substances in and out of the cell.
  2. 4. Proteins produced in the body to provide immunity to diseases.
Down
  1. 1. A condition when a part/organ of the body does not function properly.
  2. 3. Tubes forming part of the blood circulation carrying in most cases oxygen.
  3. 5. Act of spreading widely or scattering.