7 words to learn

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

A 1/2 gallon of water
How much water could you boil with the heat your body produces in only 30 minutes?
100 mph
How fast can you sneeze?
About 4 ounces
At birth how much does a panda weigh?
It was a 405 year old clam fond in 2007
What was the oldest known animal in the world?
14,000 years
How long have humans and dogs lived together?
18 years of age
What age does your brain physically stop growing?
Every 3 days
How often does your stomach manufacture a new lining avoid digesting itself?