EXIT TICKETS GRADE 8 (BIOLOGY)

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Across
  1. 3. Tiny hair-like structures that cause movement
  2. 4. Structures that release energy for cell activities
  3. 6. A single-celled organism
  4. 7. The yellow liquid part of blood
Down
  1. 1. A substance in red blood cells that carries oxygen
  2. 2. Made up of many cells
  3. 5. A specialised cell that carries electrical messages