Human Body - Sarah Adil,Tiffany Kilby and Keiran Winn

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Across
  1. 7. Controls growth and development.
  2. 9. Some of the activities of your body happen without you realising it, such as the heart beating of your chest, the movement of food in your intestines, sweating and pupil size.
  3. 12. Stops the blood from going back into the heart
  4. 13. The speed of reaction
  5. 14. Collects the information through sensory organs.
  6. 15. large number of chemical reactions take place within the cells.
Down
  1. 1. Acid in the stomach kills many bacteria before they reach the intestines.
  2. 2. Increase heart rate, blood vessels expand, more blood sent to the skin.
  3. 3. Is connected to the central nervous system to which is the main nerve.
  4. 4. Special organs or tissues that have nerve endings
  5. 5. Has two separate parts; the somatic nervous system and the autonomic nervous system.
  6. 6. Movement of particles of a substance from an area of low concentration.
  7. 8. Increase of external temperature
  8. 10. An infectious disease that spreads very rapidly over a very wide area.
  9. 11. A communication system that controls all parts of the body