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