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Facts about our topic

Did you know?

  • We leave fingerprints on everything we hold and touch because of tiny sweat glands that secrete oils and salt from our fingers.
  • Fingerprints can be used as a unique 'password' to gain access to high security places.
  • Arm span or 'reach' is the distance from the tips of the fingertips on one hand to the fingertips of the other hand when the arms are outstretched at shoulder height and parallel to the ground. A person's arm span is approximately equal to their height.
  • The distance between your elbow and your wrist is roughly equal to the length of your foot!
  • DNA stands for deoxyribonucleic acid.
  • DNA is a code divided into sections called genes, which carry all the information that creates our bodies, including the colour of our hair and eyes.