Fun Fact Friday (#34)

Fun Fact Friday is a meme hosted by Lettora at I’m Booked! If you’d like to join and do your own Fun Fact Friday, just ask! At I’m Booked! Every week we’ll give you five new, fun facts.

This week’s five facts:

1. You swallow a litre (4.2 cups) of snot every day.

2. Horses can sleep standing.

3. 70% of all the world's spices come from India.

4. Sharks can grow a new set of teeth in 8 days.

5. Israel is so small, you can run through it from west to east in 2 hours and from top to bottom in 9 days.