anatomy 15

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Across
  1. 2. bone protecting inner organs
  2. 7. fibres transmitting impulses in the body
  3. 10. this consists of conjugated proteins
  4. 11. vessel which carries blood to the heart
  5. 12. muscles are made mostly of this
Down
  1. 1. sore in the stomach caused by severe acidosis
  2. 3. substances help digestion in the mouth
  3. 4. organ for breathing
  4. 5. protective layer covering of the body
  5. 6. organ that pumps blood
  6. 8. organ which cleans blood
  7. 9. hard substance making up the skeleton