Human body

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Across
  1. 3. How many types of bacteria are in your belly button?
  2. 4. How many kg of skin cells do you lose every year?
  3. 6. How many litres of saliva do you produces every day?
  4. 9. What is the biggest organ in the body?
  5. 10. What is the smallest bone in your body?
  6. 11. What is your brain made out of?
  7. 12. What is the strongest bone in you body?
  8. 14. What is the fastest muscle in your body?
  9. 15. What are your fingers called?
Down
  1. 1. How much bacteria in your body?
  2. 2. What organ pumps blood around the body?
  3. 5. What can your stomach acid melt?
  4. 7. How many scents can a nose recognise?
  5. 8. What is the largest bone in your body?
  6. 13. What is the percent of people having a left hand?