Unit 2.3

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Across
  1. 4. cells that carry oxygen from the lungs around the body
  2. 6. the green chemical in chloroplasts that traps the Sun’s energy for photosynthesis
  3. 8. cells that have a special job to do in the body and have a structure that makes them better able to do their job
  4. 10. living things made of many cells
Down
  1. 1. cells that work in pairs to open and close the stomata
  2. 2. part of the immune system that help the body to fight infection
  3. 3. cells that carry information in the body
  4. 5. long fibres that extend from nerve cells and carry messages over long distances
  5. 7. extensions on the outer surface of some root cells
  6. 9. very tiny pores in leaves