Fascinating facts about YOU

Which of the following is the hardest substance in the human body?

• Tooth enamel

• Bone

• Cartilage

• Nails

How many bones are there in the adult human body?

• 102

• 206

• 302

• 556

What is the smallest bone in the human body?

• Stapes (ear)

• Patella (knee)

• Metacarpal (hand)

• Femur (leg bone)

On average, what is the length of the small intestine in the human body?

• 0.6 metres

• 3 metres

• 6 metres

• 9 metres

How fast can nerve impulses travel in the human body?

• 100 metres per second

• 80 metres per second

• 60 metres per second

• 40 metres per second

On average, what percentage of the adult human body is made up of water?

• 30%

• 50%

• 70%

• 90%

What percentage of DNA does a human share with a banana?

• 20%

• 30%

• 40%

• 50%

On average, how may hours does it take for food to pass through your body?

• 8 hours

• 16 hours

• 24 hours

• 36 hours

On average, how many teeth does an adult human have?

• 32

• 48

• 16

• 24

On average, how many times do your eyes blink every minute?

• 40 times

• 30 times

• 20 times

• 10 times