B1 Revision Crossword(3)

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Across
  1. 3. carry information around the body
  2. 6. they speed up chemical reactions in our cells
  3. 7. controlling body temperature
  4. 12. we do this more on a cold day
  5. 13. means 'gets narrower'
  6. 14. a gap between two nerve cells
  7. 15. how we lose some water from our bodies. It is stored in the bladder.
  8. 16. keeps the conditions inside your body the same
  9. 20. produce sweat
  10. 23. the long thin part of a nerve cell
  11. 24. the hypothalamus is part of this
  12. 26. means 'gets wider'
Down
  1. 1. what happens to sweat on our skin on a hot day
  2. 2. the sheath around nerve cells that stops impulses getting 'lost'
  3. 4. controlling how much water is in the body
  4. 5. the type of impulses that carry information through the nerve cells
  5. 8. the part of the brain that controls body temperature
  6. 9. bobbles on our skin when we get cold
  7. 10. the number of directions an impulse can travel across a gap between nerve cells
  8. 11. how we take water into our bodies
  9. 17. how we lose water from our bodies on a hot day
  10. 18. released at the gap between nerve cells. They are called neurotransmitters
  11. 19. a liquid covering much of the Earth's surface
  12. 21. a type of sugar in the blood
  13. 22. branches of the cell body of a nerve cell that connect with lots of other nerve cells
  14. 25. all mammals have these to help trap a layer of air in cold weather