Across
- 1. The average person has 67 different species of ___ in their belly button
- 5. Which finger has the fastest growing nail
- 6. This lung is 10% smaller than the other lung
- 7. This is made up of 60% of fat in the human body
- 8. There are 60,000 miles of this in your body
Down
- 1. These little ones have 300 bones in their body
- 2. Your stomach acid is strong enough to dissolve ____
- 3. This makes up about 8% of your body weight
- 4. This is the only part of the human body without blood vessels
- 8. Humans are the only species known to do this
- 9. How many liters does your body produce in one day
- 10. Human teeth are just as strong as _____ teeth